This black WANDRD Rainfly is made of 50D ripstop nylon, which is both lightweight and long-lasting. It keeps your pack and other gear dry in wet conditions. The Rainfly includes a few connection focuses to tie down it to your backpack. Additionally, there is an integrated stuff pocket for convenient storage of accessories and small items. The Medium Rainfly fits all sizes of the PRVKE, DUO, HEXAD Access, and HEXAD Carryall 40L.