SAC Copper Jet Stretch the bioceramic yarn insulates body

the bioceramic yarn insulates body heat and ensures improved thermoregulation

they fit the foot perfectly and end just below the heel

Improve your strength and endurance with this outdoor compression sock

5 hours with a 3A USB charger

they keep your feet cool in the heat and warm in the cold

SAC Copper Jet Stretch the bioceramic yarn insulates bodyA special and innovative yarn with a broad spectrum of antibacterial and antifungal properties. The use of this yarn in our socks reduces odor and skin problems on the feet. It ensures optimum power transmission between foot and shoe. The high quality plush in the foot and shin area and the reinforced high heel ensure a high level of comfort. Our Copper Jet sock won the 2020 ISPO Gold Award in the snow sports category!