The waterproof backpack with roll closure is made of tear and abrasion resistant nylon fabric it is compact and ergonomic two daisy chains on the waterproof front pocket plus outer pockets not waterproof on the sides for water bottles etc and trekking pole attachments turn it into a transport talent a lightweight carrying system with adjustable distance mesh allows air circulation the backpack is comfortable to carry with adjustable chest waist and shoulder strapssize 35lheight 58cmwidth