Water-Resistant Gear: How to Keep Yourself and Your Equipment Dry

Water is not always an overhead threat. Several hours of movement through wet vegetation can soak clothing and equipment just as effectively as rain. The same applies to kneeling on saturated ground, relying on a poorly pitched shelter, or setting a backpack down in a puddle. Stream crossings and operations near water add another risk: complete immersion. Each form of exposure affects equipment differently and requires a different protective approach.

No single waterproof layer covers every scenario. Effective water protection is a layered system in which the failure of one barrier does not immediately leave you with wet clothing, disabled electronics, or a cold sleeping bag for the night.

Before selecting specific equipment, answer three questions:

• How long is the exposure to water likely to last?
• Is the risk limited to rain and wet vegetation, or is full immersion possible?
• Which items must remain operational under all circumstances?

Those answers determine the level of protection required. They also show where a single barrier is sufficient and where critical equipment warrants a second layer of protection.

Water protection works best in layers. Sensitive electronics should be carried in a separate protective pouch, even inside a water-resistant backpack. Photo: Rigad

Water Resistance, Waterproofing, and Immersion: Match the Protection to the Exposure

Before selecting water-resistant equipment, consider the type of exposure it will actually face. A brief shower during movement presents a very different challenge from hours of steady rain, pushing through soaked vegetation, or dropping a bag into a river.

A water-repellent finish encourages droplets to bead and run off, slowing saturation of the underlying material. A water-resistant product can resist water ingress for a limited period, but its actual performance depends on the fabric, seams, zippers, and overall construction. Terms such as waterproof or watertight should indicate a higher level of protection, but neither automatically confirms resistance to water pressure or complete immersion.

A hydrostatic-head rating describes how well the tested material resists water penetration under defined conditions. It does not tell the full story of a finished jacket, pair of trousers, or shelter. Seams, zippers, openings, wear, and pressure on the wet material all affect real-world performance. Kneeling, sitting, or tightening backpack straps can force water through areas that would otherwise remain dry. A high rating for the fabric cannot replace an assessment of the complete product.

Waterproof Clothing: What to Look For

Protection for the wearer must address two sources of moisture at the same time: water coming from outside and perspiration building up inside. If a waterproof layer cannot transfer water vapor or provide adequate ventilation, clothing may be soaked with sweat after a demanding movement—even if not a single drop of rain penetrated the shell.

Waterproof Jackets

When evaluating a waterproof jacket, look beyond the membrane and stated hydrostatic-head rating. Check the taped seams, main zipper, hood, cuffs, and ventilation options. The hood should turn with the head, remain clear of the wearer’s eyes, and—depending on the intended role—fit over a cap or helmet. A high collar helps protect the neck, but it must adjust closely enough to prevent water from running inside.

Pit zips are useful during strenuous movement, as are pockets that remain accessible when wearing a backpack hip belt or load-bearing equipment. For tactical use, also consider the mechanical durability of the face fabric. An ultralight waterproof jacket, including lightweight models built with a Gore-Tex membrane, works well as an emergency layer carried in a pack. Shoulder straps, branches, and abrasive surfaces will wear it faster than a more robust hardshell.

Waterproof Trousers, Ponchos, and Gaiters

Waterproof trousers are not necessary for every brief shower. They become valuable during prolonged movement in rain, work on wet ground, and passage through tall vegetation. Full-length or extended side zippers make them easier to pull on over boots, while reinforced high-wear areas improve durability.

A poncho or rain cape creates a quick barrier and, depending on its cut, may also cover part of the backpack. The material is generally not breathable, but the loose construction allows air to circulate. The trade-offs are reduced control in strong wind and greater interference when handling a weapon or moving through dense brush.

Gaiters reduce the amount of water, mud, snow, and debris entering boots from above. They are most useful in wet grass, slushy snow, and off-trail terrain. Even the best gaiters, however, cannot compensate for footwear that leaks through a damaged upper or poorly sealed seams.

Layering Beneath a Waterproof Shell

Clothing worn beneath the waterproof layer should move moisture away from the body and provide the required insulation for the conditions. A cotton shirt saturated with sweat dries slowly and quickly becomes uncomfortable in cold weather. A moisture-wicking base layer, a properly selected insulating mid-layer, and the ability to regulate ventilation often matter more in practice than chasing the highest number on a specification sheet.

The lightweight Helikon-Tex Chinook waterproof jacket uses a 2.5-layer membrane, taped seams, and a DWR finish. Its low weight and compact packed size make it a practical backup rain layer. Photo: Rigad

Three Layers of Protection Inside a Backpack

A backpack is usually the first barrier between your equipment and the environment, but it should not be the only one. Rain can work through seams and zippers, run down the back panel that a rain cover usually leaves exposed, or enter the main compartment while the pack is open. Individually protected equipment remains dry even when one of the outer barriers fails.

In practice, a three-part system works well:

• A backpack matched to the conditions, with fabric, coatings, and construction capable of handling the expected rain and mechanical wear.
• A rain cover or waterproof pack liner to provide an additional barrier against water.
• Individual dry bags and protective cases for items that could compromise safety or the ability to continue if they became wet.

A rain cover limits saturation of the backpack itself, but it generally leaves the harness and back panel exposed. It may shift in strong wind and provides no dependable protection if the pack is submerged. A pack liner does not protect the backpack or equipment carried in external pockets, but it remains securely inside and is not exposed to branches or other sources of external abrasion.

For a closer look at pack construction, fabrics, coatings, seams, and zippers, read How to Choose a Water-Resistant Backpack and Keep Your Gear Dry.

A poncho quickly protects the wearer from rain, but the backpack’s contents still need their own barrier. A rain cover, pack liner, and individual dry bags keep equipment protected even when the pack itself remains exposed. Photo: Rigad

Which Equipment Needs the Highest Level of Water Protection?

Not every item requires the same level of protection. A stove, metal tools, or water bottle will tolerate brief exposure better than a phone, radio, documents, medical supplies, or the insulation you will depend on overnight.

When packing, organize equipment not only by where it fits, but also by the consequences if it gets wet.

The following items deserve particular protection:

• Electronics, especially phones, power banks, spare batteries, and communications equipment
• Identification documents, maps, and paper notes
• Moisture-sensitive medical supplies
• Spare base layers and insulating clothing
• Sleeping bags and other overnight equipment
• Fire-starting equipment
• Food and other materials whose usable life would be significantly reduced by water

Use two layers of protection for critical items. Place a phone, power bank, or spare batteries inside a waterproof case and then pack that case in a dry bag. Two independent barriers are especially valuable when immersion is possible or when damaged equipment cannot be quickly dried or replaced.

Divide equipment among several smaller bags according to purpose. Opening one large bag exposes everything inside at once. Separating clothing, the sleep system, electronics, and medical supplies also makes the load easier to navigate. In the rain, you should not have to conduct an archaeological excavation of the entire main compartment just to find one pair of socks.

A waterproof pouch protects a phone from rain and splashing water and, depending on its design, may also protect it during immersion. The stated IP rating and manufacturer-specified conditions are what matter. Photo: Rigad

Dry Bag, Waterproof Pouch, or Protective Case?

• Roll-Top Dry Bag

A roll-top dry bag is lightweight, compact, and conforms well to its contents. It is suitable for clothing, sleeping bags, food, and other equipment carried inside a backpack. For the closure to work correctly, enough material must remain at the top to allow several tight rolls. An overfilled bag that can barely be folded once loses one of its main advantages.

Some dry bags carry an IP rating. The second digit indicates protection against water. IPX4 and IP64 include protection from splashing water from any direction, while IPX7 and IP67 include temporary immersion—typically to a depth of one metre for 30 minutes. IPX8 and IP68 apply to immersion under conditions that must be specified precisely by the manufacturer. The letter X simply means that protection against solid particles was not classified.

The words “dry bag” therefore do not automatically mean that the bag can withstand immersion. The fabric itself may be waterproof while the roll-top closure remains the weak point, allowing water to enter under pressure or during prolonged submersion. If the manufacturer does not provide an IP rating, look for a clear statement confirming whether the bag is intended only for rain and splashing or also for temporary immersion. Do not entrust sensitive equipment to a single layer simply because it has a buckle and a reassuring name.

• Waterproof Pouches

A waterproof pouch is suitable for a phone, documents, and smaller electronic devices. Depending on its design, it may allow the phone to be operated through a transparent panel or provide rapid access to the stored contents. In addition to the IP rating, check the manufacturer’s stated maximum immersion depth and duration. Before use, make sure the closure is fully secured and the sealing surfaces are free from sand, hair, and other debris.

• Hard Protective Cases

A hard protective case is heavier and occupies more space, but it also protects against impact, crushing, and rough handling. It is well suited to optics, sensitive electronics, medical equipment, and other items for which a flexible water barrier alone is not sufficient.

TIP: When a dry bag does not provide enough protection, a hard waterproof case can safeguard sensitive electronics, optics, and other equipment. Peli Storm Cases carry an IP67 rating and also protect their contents against dust and impacts. Explore the range of Peli Storm Cases.

• Resealable Ziplock Bags

A standard resealable plastic bag can serve as a lightweight backup or a second barrier inside another container. It should not, however, be expected to offer the same resistance to tearing, repeated use, or water pressure as a product designed specifically for field use.

Protecting Equipment During Water Crossings and Possible Immersion

Once full immersion becomes a realistic possibility, the material alone is no longer enough. Protection depends on the construction of the complete product, its closure system, correct packing, and safe handling of the load.

• Confirm that the container is rated for immersion. Check the manufacturer’s specifications for the maximum depth and permitted duration underwater. The terms “dry bag” or “waterproof material” are not sufficient on their own.
• Do not overfill the bag. Leave enough material at the top to make the prescribed number of rolls, then secure the closure firmly with the buckle.
• Inspect it before use. Check the seams, closure, buckles, valves, and the material itself for abrasion, punctures, or other damage.
• Protect critical equipment twice. Place communications and navigation equipment, phones, and power banks inside separate internal pouches.
• Do not assume the load will float. Buoyancy depends on the amount of trapped air, the weight of the contents, and the integrity of the container. When travelling by watercraft, secure the load to a designated attachment point.
• Maintain the ability to jettison the load during a ford. Never tether a bag to your body with a cord or strap that cannot be released immediately. In moving water, such a connection can restrict movement or snag on rocks, branches, and other obstacles.

A Tasmanian Tiger roll-top dry bag can separately protect medical supplies and other moisture-sensitive equipment. The actual level of protection depends on the bag’s construction and correct closure. Photo: Rigad

Keeping Your Sleeping Bag and Sleep Site Dry

A sleeping bag can become damp overnight even when it is protected from direct rain. Moisture enters the sleep system from the ground, wet clothing, and condensation produced by breathing. A dry sleeping area therefore requires protection from precipitation, insulation from the ground, and adequate ventilation.

A tarp or shelter sheet works best when pitched at an angle that sheds water away from the sleeping area and when its edges do not sit in a depression where rain can collect. A groundsheet should not extend beyond the covered footprint, as exposed sections can catch water and channel it beneath the sleeping mat. Wind direction also matters; rain does not always fall neatly from directly overhead.

A bivy bag protects the sleeping bag from wind, splashing water, and contact with wet surroundings. Depending on its construction, however, it may also trap moisture inside. Proper ventilation and sensible management of insulation layers help reduce condensation, which can gradually dampen a sleeping bag even when the shelter has no leaks.

Pack the sleeping bag in its own waterproof dry bag. It should be one of the last items allowed to become wet during movement. A dry sleep system retains its insulating performance more effectively and provides more stable thermal comfort through the night.

Cleaning, Reproofing, and Inspecting Water-Resistant Equipment

Water-repellent treatments, coatings, zippers, and seals gradually deteriorate through use. Dirt, perspiration, and body oils reduce the effectiveness of DWR finishes. Mechanical wear can damage coatings, while sand interferes with zipper operation. On water-resistant zippers, it may also damage the sealing surfaces.

Clean clothing according to the manufacturer’s instructions. Some DWR treatments can be reactivated with heat after washing, while others require a new application. There is no universal procedure, so follow the care label and the recommendations for the specific membrane or fabric. Reproofing products cannot repair a damaged membrane, detached seam tape, or fabric worn through by abrasion.

After returning from the field, allow backpacks, dry bags, pouches, and shelters to dry thoroughly. Before storage, inspect the seams, coatings, seals, and closures. A simple test using a paper towel inside the container can reveal a leaking pouch or dry bag before you trust it with electronics. Test without valuable contents and only under conditions consistent with the product’s intended use.

For more information on cleaning and restoring protective finishes, read How to Reproof Outdoor Equipment.

Water Protection Works Best in Layers

Reliable protection does not come from buying a single product marked “waterproof.” It comes from combining waterproof clothing, deliberate packing, and protective layers selected for the expected conditions. A jacket and backpack rain cover may be enough for a brief shower. For prolonged movement in rain or a risk of immersion, add a pack liner, separate dry bags, and waterproof pouches.

The final requirement is a waterproof mindset. Nobody has developed a membrane for that yet, but a dry spare layer, a hot drink, something sweet, and a sleeping bag that made it through the day intact will do more for morale than almost anything else.

When one barrier fails, the next still protects what matters. That is the principle behind layered water protection.