John Henry Merino Wool Socks Add-On this electrically heated version provides

this electrically heated version provides an under-jacket environment that's always a lot warmer than the outdoor ambient

Equipped with removable shoulder and waist straps

everyday rides

Jam one behind the headlight or a side panel and it will stay there until needed

John Henry Merino Wool Socks Add-On this electrically heated version providesTough as nails durability plus all day comfort. Fine gauge knitting, no slip performance fit and undetectable seam fusion for a smooth feel. Wicking, anti microbial and fast drying characteristics perform equally well to cool in the summer and warm in the winter. Mid level cushion density under foot. Boot height sits mid calf. Grey. 64% Merino Wool, 33% Nylon, 3% Lycra Spandex. S (5. 5 7. 5), M (8 9. 5), L (10 12), XL (12. 5 14. 5). Made in America.