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 sock that has excellent insulating and moisture wicking properties.
- Heavy Weight Hiking sock
- Full Cushioning for Maximum Comfort
- Long Looped Thermal Pile Insulation
- 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