Sea to Summit Ultra-Sil Compression Sack Activity_Bouldering The rainfly features large vestibules

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

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

and a back patch pocket adds an extra spot to store the essentials

This wide necked Laken Thermo bottle is designed for use during activity

With only 120 grams

Sea to Summit Ultra-Sil Compression Sack Activity_Bouldering The rainfly features large vestibulesSpace 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