Using AIS: technology (Anatomical Interface System), the tetratsok is engineered to separate your toes with a thin, anti-friction membrane that is both light weight and breathable. Seamless in construction, the tetrasok forms to every contour of your foot and allows for true restriction free movement from your heel to five toes.
Constructed with: 70% Coolmax® 25% Nylon 5% Lycra®
Tetratsok sizing: Small W's US 6-8.5 / M's US 5-7.5
Medium W's US 9-11.5 / M's US 8-10.5
Large W's US 12+ / M's US 11-13
XLarge M's US 13+
N.B. It is recommended to 'size up' if you are on the upper end of the size range
Colour: White, Sand or Black
Use: Running, walking, cycling, cross training and multi-sport activities
