Small: W5 - W7.5
Medium: M6 - M8.5 / W8 - W10.5
Large: M9 - M13 / W11 - W14
Ultra light. Heavy on comfort and durability. For a breathable barrier between your foot and shoe with no added cushioning, try Ultra Light for a barely there feel. Ideal for lower impact activities, but built to withstand each and every stride thanks to Infiknit™ technology for guaranteed durability. Meet your new favorite performance sock... so comfortable you may not even know you have them on.