Sea to Summit Ultra-Sil Compression Sack Nordic Ski ISI front makes the binding

ISI front makes the binding easier to step into

Mesh Carrying Pouch (can also be used to create gravity water filtration system)

knit waistband won’t dig in or chafe beneath heavy packs and a drawcord allows you to adjust the fit

in online training apps such as Zwift or even the compatible fitness equipment in your favorite class at the gym

Sea to Summit Ultra-Sil Compression Sack Nordic Ski ISI front makes the bindingWhen 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