Propa Socks volume reducer This system combines two of

This system combines two of the most powerful fit upgrades you can make to a ski boot

Liner Sleeves remove internal movement

controlled energy to the ski

Meet the Shuvvie

Propa Socks volume reducer This system combines two ofA properly fitted ski boot starts with what goes on your foot. Propa Socks are designed to allow your boots to wrap your foot precisely, without excess fabric, pressure points, or movement interfering with the fit. A strategically constructed Merino blend manages warmth and moisture while an anatomical shape holds the sock in place. This allows the liner to do its job properly, resulting in a boot that fits more accurately and feels consistently