*** PRICED TO SELL AT $25.00 *** Comfortable, thick but soft multi-panel ventilated padding and lightweight material, gives you maximum back support. Breathable and adjustable shoulder straps relieve the stress of shoulder. Comes with built in USB charger outside, built in charging cable inside, offers you a convenient way to charge your phone when you are walking or riding. Made of water resistant and durable polyester fabric with metal zippers.