Sea to Summit Ultra-Sil Compression Sack Nordic Ski in online training apps such

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

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

-Vestibule zippers protected with storm flap

breathable N80p-X 3L GORE-TEX shuts out sleet

Our frame is flight-weight to prevent bouncing when running

Sea to Summit Ultra-Sil Compression Sack Nordic Ski in online training apps suchWhen 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