Hydration Pack Backpack, 2L Water Bladder , Lightweight Running Vest for Cycling & Hiking

1. 2.0L Leak-Proof & BPA-Free Bladder Includes a complete 2.0-liter hydration bladder made from food-grade, BPA-free materials. Features a secure screw-cap and an easy-access bite valve with a protective dust cover for hygienic, hands-free sipping on the go. 2. 12oz Ultra-Lightweight & Breathable Weighing only 12 oz, this minimalist hydration backpack significantly reduces shoulder stress. Designed with breathable mesh back panels and adjustable chest straps to ensure a bounce-free, ergonomic fit during intense activities. 3. Versatile External Bungee Stash Equipped with a flexible external bungee cord system, allowing you to quickly secure and stash essentials like a hoodie, hat, or light jacket without opening the main compartment. 4. Ideal Outdoor Companion Compact yet highly functional, this water vest backpack is the perfect choice for day hiking, marathon running, mountain biking, camping, music festivals, and commuting.