Sea to Summit Ultra-Sil Compression Sack Activity_Bouldering developed for long-distance off-road routes

developed for long-distance off-road routes even in the winter months

The rainfly features large vestibules for storing any gear you don’t want inside

or just extra space for extra comfort

With only 120 grams

We're proud that half of the plastic hardware on this product is made of bio-based POM plastic

Sea to Summit Ultra-Sil Compression Sack Activity_Bouldering developed for long-distance off-road routesSpace saving, ultra lightweight gear storage for organised packing. When you need to compress volume without significantly adding weight, the Ultra Sil Compression Sack is an excellent solution. Made from a water resistant, bluesign approved Ultra Sil 30D nylon fabric with Non PFC DWR this compression sack is far tougher than its weight would suggest. Ideal for use inside your pack or travel bag when you need to compress clothing or bulky soft items