ExOfficio Sizing Chart

All sizes are following US sizing.

Men’s Socks Sizing Chart
Alpha SizeM/LL/XL
Shoe Size7 – 1010.5 – 13
Sock Size10.5 – 11.512 – 14
Women’s Socks Sizing Chart
Alpha SizeS/MM/L
Shoe Size4 – 7.58 – 10.5
Sock Size9 – 1010.5 – 11.5