Altitude Sports
Altitude Sports

sizing_smartwool_men_socks

Size S M L XL
U.S. Men's  3 - 5.5 6 - 8.5 9 - 11.5 12 - 14.5
Euro 34 -37 38 - 41 42 - 45 46 - 49
UK 2 - 4.5 5 - 7.5 8 - 10.5 11 - 13.5
Calf Circumference (Largest part of the calf) 11"-14.5" (18-26.5 cm) 12.5"-16.5" (32-41 cm) 14.5"-18" (37-45.5 cm) 16"-23" (41-58 cm)