The Heat Socks 6.1 Toe Cap® Merino Compression are the first Heat Socks with Toe Cap® heating element, compression knitting technology & high merino wool content. The enhanced fit at the cuff offers more comfort when worn & no uncomfortable cutting. The very thin design makes the Heat Socks 6.1 Toe Cap® Merino Compression perfect for race boots. The ring bandage & special protectors on the toe & heel ensure an optimal fit. The fit of the socks is anatomically optimized & very tight. Thanks to the compression knit technology, signs of fatigue occur later during physical exertion. This ensures more energy & performance. The high percentage of merino wool in combination with functional fibers provides a pleasantly warm & dry feeling & transports sweat away in a targeted manner. Compatible with all types of Lenz Lithium Packs, which can be attached to the waistband of the socks by means of the snaps. Features enhanced comfort cuff prevents uncomfortable cutting in Anatomica...