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Best Expandable Hydration Backpacks

X&X Mini Tactical Backpack Hydration Pack Small Assault Rucksack 30L Molle System with Laptop Compartment Expandable (Bladder no Included)

  • PACK SMALL,THINK BIG -- This travel backpacks get overall design of waterproof,hydration pack, molle and airflow system.The front pocket support to patch flag,military,battle,name,etc. From Tactical To Practical, It‘s your ultimate hydration backpack,assault pack,hiking daypack,diaper organizer,etc..
  • DURABLE ,HYDRATION -- As camping backpack sturdy material of 600 denier polyester fabric,strong stitching ,and reinforced carry handle make it durable. Insulated bladder compartment, you could sit up to 2.5L bladder.（Bladder not included）.
  • MOLLE,AIR FLOW SYSTEM -- Bag with Molle webbing for availability to add pouches and hook items onto.This hydration backpack with durable open-cell foam lumbar pad and molded channels for Weight distribution.The shoulder pack would be an comfortable strap with padded..
  • ORGANIZED COMPARTMENTS - This backpack also features plenty of spaces and 4 expandable compartment . it has unique compartments for MP3 Player, mobile phone,up to 13 inch laptop ,and Hydration.Perfect to be an gift for laptop backpacks or school backpacks..
  • LIFETIME WARRANTY -- The backpack hiking design support quality guarantee 30 days Full refund, 12 months free for Accessories ,such as zippers and lifetime customer service..
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JanSport Agave Hiking Backpack - 32 Liter Daypack with Universal 3L Hydration System or 15 Inch Laptop Sleeve, Black

  • THE MOST TRUSTED NAME IN BACKPACKS - Our belief in our packs is strong! Every JanSport comes with a lifetime warranty. Carry your JanSport with confidence, knowing we'll replace or repair any breaks.
  • LIGHTWEIGHT DAYPACK - Durable fabric, with AirCore shoulder straps, adjustable sternum strap, waist belt & side compression straps for a secure and comfortable carry.
  • FUNCTIONAL PACK - Stay organized with a snap closure expandable main compartment, quick access & padded loft pocket for accessories, secondary compartment with organizer panel, and dual side water bottle pockets.
  • VERSATILE BACKPACK - Use for school & outdoor adventures.
  • Padded internal sleeve designed to fit a 3L hydration system or fits up to a 15" Laptop.
  • AMERICAN TRADITION IN BACKPACKS – Generations have grown up & come to rely on this trusted brand. Over 50 years of schools, work, road trips, discovering fun, freedom & adventure.
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Mardingtop Tactical Backpack for Men,Military Molle Backpack for Hiking,Motorcycle Backpack，28L EDC Backpack

  • 【Durable Material】This 28L military tactical backpack is made of 600D polyester, YKK buckles & zippers. The back area and shoulder straps use breathable and comfortable ventilation pads.Size:10.8*8.7*17.3 in(L*W*H).
  • 【Hydration Compartment】This military backpack with hydration compartment space and can hold a 2 Liter hydration bladder (hydration bladder is not included), the tube is fed through the top of the bag near the grab handle..
  • 【Consummate Design】Molle webbing throughout this small tactical backpack for attaching additional tactical pouches or gear. The molle backpack also has bottom compression straps which can hang on your sleeping bag, tripod, or tent. The patch area on the top of this camping backpack can be used to paste your favorite patches..
  • 【Waist belt Design】The waist belt of this tactical backpack is stitched in, but you can slide them into the middle space behind the back padding support. You can slide it out if needed. It can be a pretty snuggle fit and won't slide back out on its own..
  • 【Ideal Outdoor Companion】This molle backpack with chest strap is suitable for outdoor activities, it's your best choice for a 2-day assault pack, trekking backpack, hunting backpack, survival backpack, motorcycle backpack, or hiking....
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InnerFit Insulated Hydration Backpack and Water Bladder, Durable Camel Backpack Hydration Pack - Running, Hiking, Biking and Outdoor Activities - Lightweight Water Backpack (Turquoise)

  • ✅ SUPERIOR RIPSTOP MATERIAL ALL AROUND WHICH can sustain harsher conditions than common materials found in other hydration backpacks. Additionally, our UPGRADED STRONGER zippers will ensure the safety of your belongings. Bring your running backpack in TOUGH ENVIRONMENTS without worrying about its integrity..
  • ✅ ICE-COLD WATER is delivered to you in the middle of your afternoon hike thanks to the insulated pouch which keeps your water fresh for hours! NO CONDENSATION which wets your back anymore. As an added bonus, the pouch SECURES your hydration bladder in place even more so that it doesn't bounce inside the camel backpack..
  • ✅ WHILE OTHER HYDRATION BACKPACKS COME WITH a water bladder that leaks after a few uses, the InnerFit water pack backpack contains a LEAK-PROOF, TASTE-FREE and BPA-FREE bladder of the HIGHEST QUALITY. Equipped with an ON-OFF valve, the high-flow soft mouthpiece allows you to EFFORTLESSLY STAY HYDRATED during runs or long hikes. No more hassle while cleaning your gear thanks to the EASY 1-CLICK CONNECTIONS on both ends of the insulated hose.
  • ✅ FEEL COMFORTABLE THANKS TO the breathable mesh pad provided on our hydration backpack. The unique design ALLEVIATES PRESSURE on your body and the 3 sets of SOLID ADJUSTABLE STRAPS ensur....
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Vibe Hydration Pack Backpack with 2L Bladder for Women Men Teens Kids - Sports Outdoor Running Camping Hiking Festivals Raves Tropical Hawaii

  • ECO-FRIENDLY HYDRATION BACKPACKS USING RECYCLED POLYESTER (rPET). 8.3 million tons of plastic enters our oceans each year, and we need to act now to....
  • LEAK PROOF EVA 2L (0.5 GALLON) WATER BLADDER INCLUDED. Safe alternative EVA plastic is BPA free, 30% lighter and stronger. Bladder pack is easy to....
  • SPACE-SAVING & ADJUSTABLE. Has enough water and gear capacity, and provides ease of access. Anti-slip padded, cushioned and breathable shoulder straps....
  • ULTRA-LIGHT AND MULTI-FUNCTIONAL. Vibe Festival Gear Hydration Pack Backpacks are a natural head-turner especially built for festivals, raves edm,....
  • 100% CUSTOMER SATISFACTION GUARANTEE. BUY WITH CONFIDENCE - We make sure our Hydration Packs are beyond your satisfaction! We only use proven superior....
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KUREIDA Hydration Bladder 2 Liter Leak Proof Water Reservoir,BPA Free,Wide Opening,Military Water Bladder Combined with Hydration Backpacks for Biking Hiking Running Camping Climbing,White

  • ⭐【PREMIUM QUALITY】All parts of the KUREIDA hydration bladder are made of premium material . KUREIDA water reservoir is taste free, BPA free. It won’t leave a bad taste in your drink. The water bladder passed pneumatic pressure test, it is pressure-tolerant. Double sealing side technique has greatly improved durability. Might be the most rigid hydration bladder on the market.
  • ⭐【LARGE OPENING FOR EASY CLEANING AND FILLIN】KUREIDA hydration bladder has one of the largest opening on the market. The big opening makes for easy pouring of water. It is also fairly wide for a hand or bottle brush easily access to the interior hydration bladder. The3.5” screw on cap goes on and off easily. For cold water, simply add ice cubes directly from a scoop or refrigerator ice dispenser. The smooth inner of water reservoir promotes health and is easy to clean.
  • ⭐【100% LEAK PROOF】Soft mouthpiece with easily accessible ON/OFF valve prevents leakage. Conveniently control the water flow by biting, when not bite, the water will not leak out. Quick-release tube is detachable. Auto shut off while the tube is removed, the hydration bladder will stay filled non-leaking, store neatly in fridge/icebox without tangling hose.
  • ⭐【THEME-DESIGN WATER BLADDERS FOR BA....
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CamelBak Women s Ultra Pro Hydration Vest 34 oz Aqua Sea/Silver S

  • WOMEN’S RUNNING HYDRATION VEST: The CamelBak Women’s Ultra Pro Hydration Vest is built specifically to fit a woman’s frame. Our hydration vest....
  • FUEL AND GEAR STORAGE: The Ultra Pro Hydration Vest includes loads of room for critical items when you’re on the go. It also includes two 500-ml....
  • BUILT FOR COMFORT: CamelBak has designed this women’s hydration vest for maximum comfort. It features a harness and dual sternum straps that are....
  • TONS OF STORAGE SPACE: Our durable running vest features a secure zippered phone pocket, a stretch overflow pocket perfect for rain gear, and a....
  • IF WE BUILD IT – WE’LL BAK IT: Our Got Your Bak Lifetime Guarantee covers all reservoirs, backpacks, bottles, and accessories from manufacturing....
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JanSport Women's Agave Backpack - 15-inch Laptop Bag, Black

  • THE MOST TRUSTED NAME IN BACKPACKS - Every JanSport comes with a lifetime warranty. Carry your JanSport with confidence, knowing we'll replace or repair any breaks.
  • DESIGNED FOR WOMEN - Perforated AirCoreTM shoulder straps, air mesh back panel, adjustable sternum strap, & side compression straps.
  • RELIABLE BACKPACK - JanSport backpacks are made with durable fabric, zippers & straps in colors & designs to reflect your style & needs.
  • VERSATILE BACKPACK - Use for school & outdoor adventures. Padded internal sleeve designed to fit a 3L hydration system or 15" laptop.
  • AMERICAN TRADITION IN BACKPACKS – Generations have grown up & come to rely on this trusted brand. Over 50 years of schools, work, & adventure.
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IDEE Expandable Pet Carrier Backpack,Dog Backpack Carrier,Cat Backpack Carrier Mesh Breathable with Transparent Window,for Small Dog,cat,Rabbit Hiking Biking Camping Travel and Outdoor Use,Up to 20lb

  • ✔️【Expandable Design】 -Expandable dog carrier backpacks offer more space for pets to move around, reducing their anxiety during the trip.Dimension of dog travel bag:excluding the expandable area : 14.57’’L*11.42’’W*16.93’. Extension dimension: 25.59"L x 10.24"W x 11.81H.This expandable backpack pet carrier is designed for small and medium sized dogs weighing up to 20lbs.
  • cat,rabbit and other small animall up to 22 lbs..
  • ✔️【Ergonomic Design】 - Pet backpack carrier with extra thick pad on adjustable shoulder strap and back increases comfort,reducing load.Chest and belly strap of the cat carrier backpack prevent shoulder strap deviation and maintain the stability,distributing the weight and balance load for long walking, traveling, riding, sightseeing, camping, hiking,biking and other outdoor activities especially..
  • ✔️【 Ventilation & Visibility】 -This pet travel carrier has side and top entrances which make your pet easy to stick their head out out. You can feed or play with thim without putting the puppy travel bag down. And the three breathable mesh windows are designed for visibility and air ventilation. The front transparent sheet lets more light in. Pets can have a good view of the surroundings and breath freely duri....
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mountop Collapsible Water Bottle, Portable Food Grade Silicone Foldable Travel Reusable Leak Proof Water Bottles for Traveling Running Fitness BPA Free, 20oz, Blue

  • PREMIUM QUALITY - Ultimate leakproof hydration liquid bottle (.5L/16.9 oz each). Designed to be rolled, folded and collapsed for Convenience and Efficient packing. NEVER carry a bulky hard bottle again! Extremely durable and lightweight allows to be carried ANYWHERe. Easy to use while traveling..
  • BPA FREE & ECO-FRIENDLY - Phthalate-free with polyethylene inner-liner (Stain, Odor, and Taste Resistant). Hot selling, proven and SAFE for your families active lifestyle. Made with 100% recyclable material. REUSABLE and 80% lighter than hard water bottle, flask or canteen..
  • HYDRATION-ON-THE-GO - Easy to carry to your event and even easier to bring home. Cut spending on cases of bottles! Each sport bottle includes a FREE carabiner so you can attach it to bags, backpacks, making it easy and convenient to have with you everywhere you go. Perfect for packing and storage..
  • GREAT GIFT - Surprise your family member, friend, or co-workers with this present. H2O To-Go drinkwear bottles are great for sports teams, kids (or adults) backpacks, camping, music festivals, yoga, travel, running, hunting and the office. Not a glass or filter bottle, Fits in Camelback backpacks..
  • SATISFACTION GUARANTEE - We are so sure you'll love your new product, we are offering a ri....
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West Raccoon Flatpack D3 Backpack Tactical Molle Airsoft Rucksack Outdoor Hunting Multipurpose Assault Vest Bag Accessories Od WR-64 OD

  • Dual-use design,it is a tactical water bag can be used for the hydration backpack, or accessory bag to the tactical vest.
  • Size: 28x37x12cm,expandable design allows the pack to remain small and compact when full capacity is not necessary, and then easily expandable the storage room when needed.
  • Front and back designed with molle straps, for attach extra useful ammo pouch, first aid pouch, flashlight pouch and dump pouches on the panel to extend your storage space. Have magic sticker panel can stick badge to your favorite..
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Outdoor Products Contender Day Pack (Red) (Black)

  • ENSURED VERSATILITY: Designed for multiuse purposes like camping, hiking, school, traveling or any outdoor adventures. This backpack offers hydration, plenty of storage and is comfortable to go anywhere..
  • COMFORTABLE & FUNCTIONAL: Heavy duty zippers and utility-style cord pulls, load compression system on both sides for extra security, ventilated mesh padded back area & shoulder strap with adjustable sternum strap, breathable and comfortable..
  • LOTS OF STORAGE SPACE & POCKETS: two large compartments, front pocket with organizer, internal computer sleeve, expandable compartment in the front and 2 side water bottle mesh pockets.
  • HYDRATION COMPATIBLE: Hydration bladder pocket featuring a hose port for easy access to H2O (hydration reservoir sold separately).
  • RELIABLE & DURABLE MATERIAL: 19.7 x 12.3 x 7.4 inches, Capacity: 30L.
  • High density fabric-durable (Polyester/Ripstop)..
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Hydration Bladder 2L Leakproof 2 Liter Water Bladder BPA Free Military Green Water Reservoir Storage Bag with Insulated Tube Hydration Backpack Replacement for Outdoor Hiking Camping Running Cycling

  • 【ODORLESS MATERIAL, INSULATED TUBE】All parts of the hydration bladder are made of food grade material which is BPA free and FDA certificated. The....
  • 【LEAK-PROOF TECHNOLOGY, QUICK RELEASE TUBE】The hydration bladder tube is easy to connect and disconnect with one hand. The shutoff valve will....
  • 【INNOVATIVE BITE VALVE, HIGH FLOW WATER】 The hydration bladder with 90° angle bite valve helps you quickly drink so much water per sip. You only....
  • 【BIG OPENING FOR EASY FILLING AND CLEANING】The 2 liter hydration bladder opening mouth is large enough so you can fill/refill water very easily....
  • 【MULTI FUNCTIONS, NO RISK PURCHASE】The hydration reservoir is suitable for most hydration backpacks. LANNEY water bladder bag helps you stay....
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