With the new Ploymid dual-tongue design

Sharpens and bevels side edges

Cover reduces volume

a botanical seed extract that helps the wax absorb deeply into the pores of the ski base

heavy knit with a low profile fit

Hotronic XLP 1C Custom Insole Set MEN'S With the new Ploymid dual-tongueWarm Ski Boots The Hotronic XLP 1C Custom kit delivers more heat and is more compact than the S4+. The new XLP 1C battery is more powerful and lasts longer, so youll never have to cut a powder day short due to cold toes ever again! The custom kit is designed for custom insoles and includes 2 XLP 1C batteries, USB recharging cable, 2 XLP C heating elements, and two cambrelle covers. Insoles are not included in this kit. Stay warm on those cold winter