Product Details + The all new Simms Flyweight Access Pack is a roll top backpack with bungee cords on the back to tie down gear. There is an exterior zip pocket which allows this Access Pack to fold up into itself in about a 6"x 8" size This is a handy feature if you are going to be traveling somewhere and will need a pack when you get there This Access Pack also comes with water bottle holders on each side as well as compresion straps on each side