1. Kalusi Large 35l Lightweight Waterproof Hiking Daypack ,Handy Foldable Outdoor Backpack (Orange) (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
★ COMPACT： Folds into zippered inner pocket to fit anywhere. Unfolds from pocket to backpack. Must have on every trip★DURABLE: Backpack is made from highly rip and water resistant nylon fabric which provides strength and long-lasting performance with minimal weight.

2. Exos Bravo Tactical Assault Backpack Rucksack. Great as a Bug Out Bag, Daypack, or Go Bag; for Hiking, or Camping. Molle equipped & hydration pack ready (Black) (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
Capacity: 34L, 2073 CU in. When measured in accordance with Standard ASTM F2153Inner Main Compartment: 18" x 10" x 5", Inner Secondary Compartment: 16" x 9" x 3"

3. Eighty Days Tactical Hydration Pack and Multitool, 2 Liters (70 Ounce), Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
SURVIVE IF YOU ARE LOST IN THE WOODS! Thousands of people are lost in the wilderness each year. Don't let a Dayhike turn deadly. Be prepared with water and essentials to survive and thrive in the wilderness.ADJUSTABLE BACKPACK FOR PERFECT FIT! Tactical color, adjustable padded waist and shoulder straps make it a comfortable. 2 large pockets for storage in addition to the hydration bladder. Hydration tube can be routed over either shoulder. Easy to reach front pockets for quick access.

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 : 9.5 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. Paladineer Hiking Backpack Travel Daypack Sports Bag for Camping,Climbing,Mountaineering,Cycling 28L Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
Reinforcement Materials & Zippers: 100% rip-stop nylon Corded SBS zipper pulls