Sock Blockers from Fibertrends

Made for us in Seattle, WA they are cut from strong, lightweight Sintra. They do not absorb moisture and will never mildew or leave splinters in your socks.

Three sizes:
Small (fits women's shoe sizes 5 to 7)
Medium (women's sizes 7.5 to 10)
Large (women's 10.5 and above and men's sizes)