1. ErgaLogik Gravity 70 UltraLight 2L Hydration Pack - Great for Running, Hiking, Cycling and Skiing (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
DURABLE: Ultra-Strong rugged nylon designSTORAGE: Three large pockets provide for extra storage space

2. Camelbak Zoid Ski Hydration Pack, Charcoal (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
Maximize your time on the mountain with this lift-friendly compact hydration kitKey Pack Features include lift-friendly low-profile design, essentials pocket with key clip

3. YA-YA Hydration Bladder - 2liter/70Oz - Cycling Hiking Skiing Camping Backpack - Premium Water Reservoir Pack - Durable 100% Leak Proof - Tastefree Anti-Bacterial BPA Free & FDA Approved - Free Bonus (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
★ Enjoy our 360° LEAK-PROOF SYSTEM- Top sealing technology SELF-LOCK 'CLICK IN' MECHANISM allows you to unhook the tube quickly while full. Easily accessible SHUTOFF VALVE switch to prevent leakage. DURABLE and SOFT anti-microbial easy to bite mouthpiece for a high-flow EFFORTLESS SIPPING. Can store water with -20 to 50 degree Celsius or -4 to 122 degrees Fahrenheit. LITER MARKINGS printed on reservoir body.★ LARGE OPENING FOR EASY FILLING, CLEANING, DRYING AND EASLY ADDING ICE- A handle for an easy NO LEAK FILL-UP in any outdoor condition for maximum hygiene and clean water. High smooth interior surface INHIBITS BACTERIA GROWTH in the reservoir and drinking tube surfaces for safe healthy hydration.

4. Hydration Pack with 1.5 L Backpack Water Bladder. Fits Men and Women with Chest Sizes 27" - 50". Great for Hiking - Running - Biking - Kids (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
WILL FIT YOU PERFECTLY: 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 makes sure it doesn't bounce when you move.GOOD VOLUME: Includes storage compartments that will fit your clothes, iPad, phones 11" -12" laptops and even a DSL camera. For even more storage, the side pockets allows you to pack even more on your hike, mountain bike.

5. Hydration Pack for Adventurers, Includes Tough 2L Water Bladder, #1 Military Backpack for Trail Running, Hiking, Cycling, Hunting, Snowboarding and Skiing. Awesome Storage, Super Comfortable (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 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