5 Best Lightweight Waterproof Hiking Backpack

Best Lightweight Waterproof Hiking Backpack in 2025

BESTSELLER NO. 1 in 2025

• Lightweight: The lightweight packable backpack is about half the weight of a mobile phone, being folded into its inner pocket for storage and easy to open when needed. Unfolded size: 15.9 x 9.6 x 22.4 inches, folded size is only 4.9 x 3.9 x 7.8 inches, Waterproof & Durability: The Waterproof backpack is made of waterproof fabric, IPX4: This rating offers protection against splashes of water, making them suitable for workouts or light rain. Heavy duty upgraded zippers and enhanced major stress points provide long-lasting durability against daily activities, Large Capacity & Multiple Compartments: Hiking backpack with 45L capacity and 3 compartments. The carry on backpack featured a wet compartment for separating dry and wet items, Survival Whistle: Equipped with a survival whistle on the shoulder strap, it is an essential item for your survival in dangerous outdoor situations, Tips: Before traveling, you can put this collapsible bag in your pocket or suitcase, and when you buy more goods on the way, this large-capacity foldable airplane backpack will show its value.

BESTSELLER NO. 2 in 2025

• High-Quality Material:Hiking backpack is made of high quality rip-stop 210d nylon fabric,which is water resistant,tear resistant,anti-scratch and wear resistant. Furthermore,we also give away a rain cover with a clear silver reflective logo. It is putted in the little pocket under the backpack. So it is no doubt that all your things will keep dry during rain. Just take this outdoor backpack,no matter the weather.
• Ergonomic and Comfortable Design:Thicker padded back with ergonomic breathable design paired with adjustable, breathable and padded shoulder help to reduce fatigue during a long day of hiking. The hiking daypack comes with an ergonomic ring handle,which is labor-saving and durable. The adjustable chest buckle works perfectly to distribute the pack’s weight and keep it steady and centered. And chest buckle designed as a survival whistle for quick and easy use in case of emergency.
• Large Capacity & Multi Compartment: Maelstrom Hiking Daypack provides several pockets for handy storage and convenient organization. Spacious backpack packed with roomy zipper main compartment, 1 top pocket, 3 front zipper pocket, 2 waist zipper pockets and 2 mesh side pockets.In addition,one waterproof wet pocket is added to the main compartment to better separate sweaty clothes or other personal things after swimming or taking exercise.
• Unique Function Design:The camping backpack is printed with reflective signs to remind safety. The sides of the backpack have elastic and fasteners that can hold two sets of trekking sticks or adjust the webbing according to needs. There is a headphone hole on the top of the backpack for you to enjoy music. There is a Velcro to fix the water bag liner in the main bag and a water pipe hole on the top side of the backpack to assemble the water bag system.
• LIGHTWEIGHT -- Easy to carry:The 40L hiking backpack is lightweight and it’s breathable mesh shoulder straps with plentiful sponge padding help to relieve the stress from your shoulder. The large capacity of 40L provides enough space for outdoor travel,camping,hiking and fishing. It meet size requirements for most airlines. This camping backpack can be used as hiking backpack, travel bags and business bag,which is suitable for men and women.
• Strap type: Shoulder Strap.

BESTSELLER NO. 3 in 2025

• 【Large Capacity&Multi Compartment】This portable hiking backpack has 40 liters of storage space with a multi-compartment design that includes 1 main zipper compartment, 2 zipper front pockets, 2 side pockets, and a waterproof wet pocket. The pen pocket and slip pockets in the front can help you organize your items more easily. The large capacity backpack helps you to easily storage all your essentials for your outing.
• 【Foldable & Comfortable】This lightweight trekking backpack only 1 pound, it can fold easily into its own pocket for storage and unfold when needed. Breathable mesh shoulder straps with plenty of foam padding help relieve pressure on the shoulders. The chest buckle is designed as a survival whistle for quick and easy access in an emergency. The chest strap buckle perfectly distributes the weight of the packable hiking backpack and keeps it stable and centered.
• 【Upgraded Wet Pocket Design】The lightweight hiking backpack stands out with a more user-friendly design that is easy to use. A waterproof wet pocket has been added on the back,and a zipper on the back leads to an internal wet pocket for better separation of sweaty clothes, towels or other personal items after exercise.Effectively separate the items in the water resistant hiking backpack wet and dry.
• 【Practical Design Backpack】Camping backpack printed with reflective signs,used at night to remind safety or can easily find companions.The side of the camping backpack 40L has elastic straps and fasteners to accommodate trekking poles.The bottom of the backpack has webbing straps to accommodate tents, sleeping mats, placemats and other items, and the length can be adjusted as needed.
• 【Durable&Waterproof Daypack】This hiking daypack is made of high quality tear-resistant and waterproof nylon fabric with double metal zippers.The center is reinforced at the main stress points to provide long-lasting durability for everyday use.The extra strength provided by the double layer bottom allows you to carry more stuff. A must-have for trekking, hiking, camping and travel.

BESTSELLER NO. 4 in 2025

• Spacious And Organized Storage Space: The large capacity hiking backpack measures about 13.4*8.6*22" (W*H*D), capacity: 40 liters. lightweight backpack is equipped with a spacious backpack with zippered main compartment, 2 front zippered pockets, 2 waist zippered pockets, 2 side pockets and 2 mesh pockets, which can efficiently store and categorize different items, High-Quality Fabric:daypack backpacks is made of high-quality nylon fabric, which is waterproof, tear-resistant, scratch-resistant, wear-resistant and so on; in addition, the bottom pocket comes with an extra rain cover pocket with a transparent silver reflective logo, preventing water and dust from getting into the backpack, protecting your valuables from heavy rain and keeping them dry, Unique Functional Design:The main pocket of the camping backpack has a Velcro strap for binding the water bag liner and a hose hole on the top side for assembling the water bag system; the side straps and buckles can be used to fix water bottles or trekking poles, and the bottom straps can be used to fix a tripod or a sleeping pad; finally, there is a reflective logo printed on the backpack to remind people to pay attention to safety, Durable And Ergonomically Designed: rucking backpack is equipped with ergonomic shoulder straps and back support system, load compression strap system on both sides and bottom to adjust and tighten the backpack. Provides a good sense of comfort and support, helping to reduce fatigue during long hiking trips; in addition, the chest buckle is designed as a survival whistle, which can be used quickly and easily in emergency situations, Lightweight & Multi-Purpose: Hiking backpack men is lightweight, weighing only 1.5 pound; the large capacity and multiple pockets are perfect for hiking, camping, hiking, fishing and the rest of outdoor activities. It meets the size requirements of most airlines. This camping backpack can be used as a hiking backpack, travel bag and business bag, suitable for both men and women!.

BESTSELLER NO. 5 in 2025

• 【Wet Pocket Design】100% waterproof wet pocket is designed in the back of this hiking backpack. Take this outdoor backpack for swimming or hiking to avoid getting wet or stuck in the rain. Never worry about your phone, or purse getting wet, and separate your sweaty clothes, towels, or other personal things for outdoor activities.
• 【Multi-Compartment Design】 This foldable backpack has 40L storage space. Featuring one main zipped compartment, a second large zipped front pocket, one front zipped hidden pouch, one front zipper compartment, and 2 side pockets. One separator and one small zippered pocket in the main compartment to organize your travel essentials or daily items.
• 【Lightweight & Comfortable】Weighs 1lb. Unfold size: 18.9*12.9*9.4inch(L*W*H); Fold size: 9.4x8.7inch; A true space saver. Fold the travel backpack into its pocket for storage to avoid the overweight charge. Breathable widened S-type shoulder straps with plentiful sponge padding help relieve the stress from your shoulder. The adjustable chest strap with a whistle buckle helps you lock your backpack in place securely or help to put in the luggage.
• 【Water-resistant and Durable】This handy hiking daypack is made of high-quality tear and water-resistant polyamide fabric. Bar-Tacks Processed at the seam will provide extra strength and long-lasting performance. Durable two-way SBS zippers are abrasion-resistant and ensure secure closure.
• 【VERSATILTY】This is a packable backpack that can be easily folded into the front large pocket to fit anywhere and unfolds from pocket to backpack in seconds. Lightweight backpack for travel, hiking, camping, sport, overnight trip, daily use, shopping, and more. It is the perfect companion no matter outdoor sports or leisure activities in or out of the city.

Best Lightweight Waterproof Hiking Backpack – Choose Your Adventure Companion

Find the perfect blend of feather‑light comfort, rain‑proof reliability and clever features—just like a spider‑sense for gear.

Lightweight? Yeah, I’m talking feather‑soft, not phone‑heavy.

When you’re sprinting to catch a train or scaling a ridge, every gram matters. A backpack under 2 lb feels like an extra pocket on your jacket—no shoulder sag, no “why‑is‑my‑back‑ache-ing” drama. Look for foam‑pad shoulder straps and mesh backs that breathe; they keep you cool even when the sun’s feeling extra sassy.

Tip: Pack only what you need. A 1‑lb pack like the G4Free (weighs just 1 lb) leaves room for snacks and that extra selfie stick.

Waterproof? Because rain’s just a plot twist.

IPX4 or a rain‑cover in the pocket means a sudden drizzle won’t turn your gear into a soggy mess. The Maelstrom series comes with a built‑in reflective rain cover—pop it out and you’re ready for a monsoon without missing a beat.

Scenario: You’re caught in a downpour on the trail. Slip the rain cover over the Maelstrom backpack, and your phone stays dry while you keep the adventure alive.

Capacity that fits your story.

Forty‑plus liters sound big, but clever compartment layouts make it feel organized. Separate wet gear, keep your snacks handy, and stash that emergency whistle in the chest buckle (trust me, it’s a lifesaver).

• 45 L fold‑away marvel: MIYCOO packs massive storage into a pocket‑size cube for plane‑ride convenience.
• 40 L with wet pocket: IGOLUMON’s rear zipper leads straight to a water‑tight compartment—perfect for a quick swim or soggy socks.
• 24‑hour trek? The Maelstrom’s multiple zippered pockets let you grab your map, water bottle, and snack without ripping the pack open.

Ergonomic design—because comfort isn’t a luxury, it’s a superpower.

Adjustable chest straps, padded back panels, and load‑compression cords keep the weight centered. When the strap doubles as a whistle (yes, the chest buckle does that), you get safety and style in one click.

Pro tip: Tighten the side compression straps on a Maelstrom or IGOLUMON before you hit the ascent; it stops the pack from dancing around your shoulders.

Extra features that feel like Easter eggs.

Reflective logos light up your silhouette at night—great for those “who‑are‑you‑behind‑me?” moments. Elastic loops for trekking poles, a headphone port for soundtrack vibes, and a dedicated water‑bag hose hole keep you ready for any plot twist.

Quick win: Slip a trekking pole into the elastic strap on the Maelstrom’s side, and you’ve got instant balance for those steep scrambles.

Choosing the right sidekick for you.

If you travel light and love to fold your pack into a suitcase pocket, go with MIYCOO’s ultra‑compact 45 L design. Need a built‑in rain shield and rugged nylon? Maelstrom’s 210 D rip‑stop fabric has your back. Want the ultimate feather‑weight that still holds 40 L? The G4Free or IGOLUMON packs both sit at about 1 lb, with waterproof wet pockets for post‑swim gear.

Bottom line: Match the bag’s vibe to your adventure—whether it’s city hopping, weekend hiking, or a rain‑soaked mountain quest.