SAC Copper Jet Stretch 5 hours with a 3A

5 hours with a 3A USB charger

versatile and indispensable for cold days

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

Improve your strength and endurance with this outdoor compression sock

It feels like plush

SAC Copper Jet Stretch 5 hours with a 3AA 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!