Give your ensemble a pop of color and fun with these jammers. Perfect for on or off the bike, it's our Aposematic pattern on a lightweight wool sock. When it comes to socks we greatly prefer wool because it breathes well, doesn't stink, and retains warmth when wet. Sizing S/M Fits Women 6-10 & Men 5-9 L/XL Fits Women 10-14 & Men 10-13 Made in the U.S.A. Turbo Wool (50% Merino Wool - 50% Polypropylene) Supplier: Sock Guy