• Utmost Storage Capacity: Semsty hydration backpack size is L 11.4'' * W 5.5'' * H 18.2''. Overall capacity is 20L hiking backpack 2L water bladder a separate insulated pack. Main compartment to fit water bladder/clothes/notebook. Middle compartment for daily or hiking essentials. Built-in front mesh pocket for towel. Extra water bottle in the side mesh pockets for easy access. Helmet carry in the front helmet clip.Two convenient waist strap pockets for phone,keys or other small items
• Hands Free Drinking: This water backpack for hiking comes with 2-Liter hydration bladder & bilateral hose outlets designed to free your hands. High-flow bite valve; Large 5.9" (15cm) opening, easy to put in ice or wash and dry. The 2-Liter bladder is replaceable and supports up to 3-Liter
• Separate insulated compartment: Semsty hydration backpack pack with 2l hydration bladder also come with a separate inuslated bladder compartment for 6 Hours' Cooling(with ice packs)and prevents the water bladder from sweating out. Remove the water bladder and the insulated pack, it is a normal daypack, suitable for hiking, commuting, travel,cycling, skiing, etc. Do not hesitate to achieve a 20l hiking backpack with water bladder for multiple uses
• Lightweight & Comfortable: Weighing just 1.4LB (0.63kg), this hydration pack backpack is feather-light, streamlined. With Ultra-Elastic 3D breathable padded back & adjustable chest, waist straps , this lightweight small hiking backpack for women adjusts to fit all frames comfortably. Perfect fits all sizes
• Details For Your Safe: This 2-Liter backpack water bladder is 100% BPA free &anti-leak guaranteed. High-Density Nylon fabric and Built-in Rain Cover, ideal for any rainy activities. Reflective strips keep you visible in low-light conditions. The water clip buckle on the shoulder strap can be placed on the left or right side
• If you have any problems, please reach out to us, we will reply within 24hrs. (We provide replacement services for quality problems within 1 year and lifetime customer service)