You use a zipper to close this bag. It only comes in one colour, black, but it does look quite neat.
The product is available from £67.67 at international stores.
Trekkinn
Tatonka Cima Di Basso 35l Backpack Black
OnBuy
Tatonka Cima Di Basso 35 Climbing Backpack with Removable Belly Strap for Men and Women 35 Litres