The Fox River Therm-A-Wick Sock Liners won't add weight or bulk but retain heat and remove moisture with Fox River's proprietary Wick Dry technology. The hollow core fibers of Thermolite heat up quickly and hold in heat.
Helps to control foot odor
Moves moisture to keep feet dry
Ultra light weight, Height/Type: Crew
Smooth seam prevents toe irritation
93% CoolMax® polyester, 6% nylon, 1% spandex.