Vyn backpacks are designed with a long-term perspective: the structure makes potential repairs easy, and non-recyclable materials have been avoided whenever possible. The included haversack / map case bag can be carried either in the front panel or hanging from the shoulder. - Adjustable back panel length - Generous side pockets for drinking bottles and e.g. tent poles - The flap pocket has a key loop - The lower compartment has its own zipper - Proper compression straps - Strong fabrics: the main material is 450 denier ripstop polyester and the base reinforcement fabric is 600 denier polyester, both fabrics are recycled fiber and bluesign certified