The new Spark Summit Skins are 100% nylon and offer incredible grip, lightweight performance, and long lasting glue. The Summit skin is built to be durable and grippy! The Spark Summit skins offer a newly designed tip and tail clip, that work well with the ever changing shape of splitboards these days. There is lots of adjustability in the angle, position, and tension on the tail clips allowing for endless fit options. 657g per pair in a medium