Trekking socks - Trekking Ultracool Linen Crew unisex grey/navy Female T® heating line (2mm) diffuses

T® heating line (2mm) diffuses subtle heat around the toes without affecting the fit of the sock in the shoe

Place the HEAT 3D insole in the shoe

With heating elements that wrap around the fingers and the top of the hand

you can control the heating power by choosing a suitable setting

Compared to our Trekking Cool Ankle socks

Trekking socks - Trekking Ultracool Linen Crew unisex grey/navy Female T® heating line (2mm) diffusesOutdoor UltraCool Linen Crew: The driest, lightest natural trekking sock This high trekking sock is part of the new outdoor range from Therm ic. Whether you need warmth, coolness or simply comfort to enjoy a long walk in the wilderness, Outdoor UltraCool Linen socks also provide you with all the qualities of the natural fibre, linen, combined with the innovative structure of the incredibly light and elastic Pure ic yarn of organic origin. Indeed,