Sea to Summit Ultra-Sil Compression Sack Activity_Bouldering lightweight warmth

lightweight warmth

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

The interior hole of this spacer will accommodate a range of carabiners and textiles up to 14mm in diameter

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 lightweight warmthSpace 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