TETON Sports Oasis 1100 Hydration Pack; Free 2-Liter Hydration Bladder; For Backpacking, Hiking, Running, Cycling, and Climbing; Green (several different colors) $36.49 Details/ Buy Diamond Candy Waterproof Hiking Backpack for Men and Women, 40L Lightweight Day Pack for Travel Camping $46.99 Buy Product Unigear Hydration Pack Backpack with 70 oz 2L Water Bladder for Running, Hiking, Cycling, Climbing, Camping, Biking (Black) $29.99 Details/ Buy