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Precision Fit

Global Size Guide.

Our engineered knit provides high elasticity for a forgiving fit. Use the charts below to find your perfect match across international standards.

Adult Collection

WS Size EU (Europe) US Men US Women UK JP / CM
S 35 - 38 3.5 - 6 5 - 7.5 2.5 - 5 22 - 24 cm
M 39 - 42 6.5 - 9 8 - 10.5 5.5 - 8 25 - 27 cm
L 43 - 46 9.5 - 12 11 - 13.5 8.5 - 11 28 - 30 cm
XL 47 - 49 12.5 - 14.5 - 11.5 - 13.5 31 - 33 cm

* If you are between sizes, we recommend sizing down for a snug athletic fit, or sizing up for a relaxed fit.

Kids Play Line

WS Size EU (Europe) US Kids/Youth UK Kids/Youth Age (Approx)
K1 27 - 30 10K - 12.5K 9K - 11.5K 4 - 6 Years
K2 31 - 34 13K - 2.5Y 12K - 1.5Y 6 - 8 Years
K3 35 - 38 3.5Y - 6Y 2.5Y - 5Y 8 - 12 Years

* "K" = Little Kid, "Y" = Youth (Big Kid). Sizes reset after 13K to 1Y.

Fit Technology

01. Material Stretch

Our blend of Bamboo and Elastane allows for 20% more stretch than traditional cotton socks, adapting to wider or narrower feet effortlessly.

02. Arch Lock

An elastic band wraps around the midfoot. This prevents the sock from rotating, ensuring the heel stays perfectly positioned.

03. Measurement

Measure from the back of the heel to the tip of the longest toe. Match the CM/JP column for the most accurate sizing.