Womens snoozies! Animal Heads Super Cozy Soft Coral Fleece Lined Footcoverings Machine Washable 100% Polyester Skid Resistant sole Fun Animal Faces With Soft Coral Sherpa Lining - Softest Snoozies Ever Womens sizing (approx. inside length): S (5/6) - 8.5"; M (7/8) - 9"; L (9/10) - 9.75", XL (11/12) - 10.25"