SNOW DEER Heated Socks,Upgraded 7.4V Rechargeable Battery Electric Socks for Men Women,Winter Cold Weather Warm Socks for Huting Fishing Camping Hiking Skiing Foot Warmer. Only Tried on One Sock and Just Too Big to Fit in My Ski Boot. Otherwise Everything Else Unopened. Missed the Return Window. I Would Say These Fit More Like a Medium.