18L backpack is great for commuting to and from work or hiking the rural trails,Constructed out of durable 600D Polyester and Twill with a water resistant coating ,Featuring padded air mesh on the back and shoulder straps to keep you cool,Adjustable shoulder straps and side compression straps make sure that everything will stay in place during transport,Includes two front zippered pockets, inside slash pocket, two side mesh pockets and a top grab handle,To view the entire Urban Peak series go to starline.com