Blue Flame E-tech Thermals
Our Blue Flame E-Techs combines the best technology of bamboo viscose and our original Blue Flame to give you a more practical sock that has excellent insulating and moisture wicking properties.
- Heavy weight hiking sock (great for lounging inside as well!)
- Full cushioning for maximum comfort
- Looped thermal pile Insulation holds in air and heat
- Medium 9-11 - Women Shoe Size 4-10.5 / Men Shoe Size 3-9
- Large 10-13 - Women Shoe Size 10+ / Men Shoe Size 9-12
- X Large 12-15 Men Shoe Size 12-15