Technical socks for Walking, Hiking, Trekking, Mountaineering, Running, Skiing, and Everyday.

Sizing

Please see this guide to get the correct sizing for your footwear. You may visit an Altra Zero Drop Footwear dealer near you to try on a pair to find the correct size.

Unisex / Men's

Size   Size Code UK Europe USA CMS
Small   6 3-3.5 36-39 4-6.5 22.0-24.5
Medium   7 6-8.5 40-43 7-9.5 24.5-27.0
Large   8 9-11.5 44-47 10-12.5 27.0-29.0
X-Large   9 12+ 48+ 13+ 29.0+

Women's

Size   Size Code UK Europe USA CMS
Small   5 3-4.5 35-37 4-6 21.0-23.5
Medium   6 5-6.5 38-40 6.5-8 23.0-25.0
Large   7 7-8.5 41-43 8.5-10 25.0-27.0

Junior

Size   Size Code UK Europe USA CMS
Junior (S)   3 10-12 28-30 11-13 16.5-18.0
Junior (M)   4 12.1 31-33 13-2 18.0-20.0
Junior (L)   5 1-3 34-36 2-4 20.0-22.0
Junior (XL)   6 3-5 37-39 4-6 22.0-24.0