*Lightweight and Breathable:The Backpack made of Aintegrated Breathable Mesh Pad from the Shoulder Strap to the Back and has a Thick Padded Mesh Material for Maximum Breathability and Heat Dissipation, that for Optimal Comfort to Minimise Pressure on the Shoulder , Ensuring Your Riding Comfort.*15L Hiking backpack Lightweight Breathable Sport Backpack Foldable Ultralight Cycling Backpack Waterproof with Night Reflective Tape for Riding,Marathon,Hiking,Camping ,Men & Women Daily Commutes*High Quality Material: The Backpack Made of Ultralight Waterproof Tear Resistant Nylon Fabric and Best-Quality Zippers,Waterproof, Tear-Resistant, Wear-Resistant And Practical.Keep You Cool and Dry While on Your Outing.