1. FLASH SALE Hydration Pack for Adventurers, #1 Military Backpack for Trail Running, Hiking, Cycling, Hunting and Snow Sports. Awesome Storage, Super Comfortable, Includes Tough 2L Water Bladder (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
NEVER WORRY ABOUT THIRST OR DEHYDRATION AGAIN. Whether you're hiking, biking, boarding or climbing you NEVER have to fear running out of water again. The tactical Performance Pack includes our non-toxic, completely leak proof 2 Liter Water Hydration Reservoir. Complete with a huge opening to add water and ice cubes and an insulated drinking tube ensuring your water stays cool for the duration of your adventureAS TOUGH AS YOU ARE. You need a hydration pack that can keep up with you. Constructed from ultra-heavy duty 600 Denier Polyester (that just means it's super strong and durable) it will withstand any adventure.Our tactical pack won't tear and is water resistant, so it's the perfect companion for a tough nut like you

2. Tactical Hydration Pack Backpacks with 2.5L Bladder for Hiking, Biking, Running, Walking and Climbing (TAN) (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
Adjustable shoulder/chest straps. Will fit chest sizes from teenagers/kids with 27" up to adults (men and women) with 50" chest size. The chest straps make sure it doesn't bounce when you move Whistle buckle for emergency

3. Lalawow Military Hydration Pack Never Leak Bladder Water Bag Pouch for Running Hiking Climbing Survival Outdoor 3L(100 ounce) (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10
√ No NASTY TASTE OF WATER HOSE - The entire pack is LFGB certified and has passed a wide range of sensorial tests,Eco-friendly material,100% odorless, tasteless, BPA- Free material.√ NEVER LEAK - 800D Oxford waterproof fabric + 420D Waterproof nylon lining. High quality materials and a reasonable design ensure no leakage. Hands-free hydration hose with bite valve, gently biting the valve opens up the flow of water.

4. WASING Hydration Pack with 3L Bladder and 2 Additional Pockets. Tough Military Style Backpack Is Perfect for Hiking, Biking, Running, Walking and More. (Army GREEN) (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
3L HYDRATION WATER BLADDER INCLUDED. No need to add one as other bags require you to buy separately.2 FRONT POCKETS. Use the pockets to carry your wallet, keys, phone, towel, small tools or other items

5. EMH Sportswear Hydration Backpack Pack with 3 Litter Bladder Water Pouch for Hiking Running Outdoors (Military Olive) (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
Rugged 600 Denier Heavy Duty Nylon Material Resistant to TearsLarge bladder holds up to 3 Liters of water - great for hiking, running, climbing and surviving the great outdoors