The only pack you will find with more high-tech features than the BLASTER BACKPACK from JOE ROCKET, is probably hanging on a hook in a space station somewhere. Constructed of wind/water resistant 1000 DENIER nylon, it features a molded EVA clamshell helmet storage compartment, compression straps for reduced turbulence, a removable cell phone pocket and audio ready system for your MP3 player. For the utmost in comfort, this pack features adjustable shoulder, chest, and waist straps, with raised EVA back pads for cool air circulation between the backpack and rider. Features – Wind/water resistant 1000 Danier nylon construction – Molded EVA clam shell helmet storage – Compression straps for turbulence reduction – Multiple raised EVA back pads allow air to circulate and cool user – Adjustable shoulder straps – Chest and waist straps – Audio ready system – Removable cell phone pocket – Reflective stripe – 59cm x 32cm x 25cm storage (47.2 litres).