edmi Snoozies Sports Volleyball Slippers (Black, Youth X-Large 2/3) Extremely cozy Snoozies slippers with soft, fuzzy lining. Rubber printing on bottom to help prevent sliding - meant for indoors only. 100% Polyester. Great gift for volleyball players and fans. Adult sizing is women's but these make a great gift for men too. For Boy's or Men's sizing please go up 1 full size. Sizing suggestion: If you're between sizes size up; if you're the upper size (so 10 of 9/10) but like more room or wearing thick socks, size up.