KUKOME Mountain Bike Cycling Backpack Waterproof Men Women Lightweight Helmet Hydration Pack 12L Nylon The lightweight and adjustable and breathable padded shoulder and chest straps to meet different requirements for both men and women, much more comfortable With unique helmet net which is a good helper for outdoor cycling. The small front pocket is very practical,suitable for storing small articles such as mobile phone. Featured with a water bag with isolation layer to keep the temperature inside the water bag.(the water bladder was not included) High-visibility reflective stripes to improve visibility when in fog days or at night