Mammut Mens Rime Light IN Flex Vest Features: Woven main material made from 20-denier nylon Filled with 40 g/m² OTI Stretch insulation for optimum heat retention and enhanced freedom of movement YKK Vislon® 2-way zipper for smooth operation 2 backpack and climbing-harness-compatible zipper pockets Elastic hem for better fit Can be stowed away in side pocket   Mens Rime Light IN Flex Vest