But wait, there's more! The low-friction surface means your boots can be taken off/put on very easily. Since the Heat Boosters are independent of your boots, they can be rinsed/dried very quickly to insure warm, dry feet for multi-session days.
1mm Neoprene Heat Booster Socks can be used inside any brand boots, round toe or split toe. Keep in mind the 1mm thickness takes up a little more space inside your boots (and more space than our regular knit Heat Booster Socks), so if you are buying new boots, make sure there is a little room inside the boots to accommodate the 1mm socks.
The 1mm Neoprene Heat Booster Socks are available in 4 sizes:
Small: 38-39 (US Men 6-7.5/US Women 7-9)
Medium: 40.5-42 (US Men 8-9.5/US Women 9.5-11)
Large: 43-44,5 (US Men 10-11.5/US Women 11.5-13)
XL: 46-47 (US Men 12-13+/US Women 13.5+)