Lectra by Nordic Gear Electric Battery Heated Socks Unisex Size Small 7-8 NWOT

Designed to keep your feet from getting cold without turning them swampy, these socks are the ideal cold-weather solution with proprietary battery-heating technology. The Lectra Sox were originally designed for commercial fishermen braving the icy cold waters of the Northern Atlantic. As winter approached and the sea grew hostile, the fishermen were able to fight the elements and maintain their posts with the help of the Lectra Sox. Sock content: 36% Virgin Wool, 33& Winter Acrylic, 22% Hollofil Polyester, 9% Nylon. Requires 2 "D" alkaline batteries or rechargeable, not included. Knew without packaging. Never worn.