Multi-function cap with customizable flow-control and standard wide-mouth opening

Featherweight 100% recycled nylon ripstop with a PFC-free DWR finish (durable water repellent coating that does not contain perfluorinated chemicals)

5-oz 90% recycled polyester certified by OceanCycle and sourced from coastal communities at risk of plastic pollution/10% spandex plain weave with four-way stretch and a durable water repellent (DWR) finish made without perfluorinated chemicals (PFCs/PFAS)

purses or luggage

do not iron(for best results

SEA TO SUMMIT ULTRA-SIL COMPRESSION SACK 8L CREW SOCKS Multi-function cap with customizable flow-controlWhen 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 to allow space for other essentials or fun holiday items. Features