Small/Medium Snowshoe Booties fits women&';s 6-9 or men&';s 7-8. Medium/Large fits women&';s 9.5 and up, men&';s 8.5 - 12. Offers overshoe and boot protection. Specifications Over- shoe and boot protection from wet and cold. The single best accessory you&';ll ever have for snowshoeing! 6mm of thick neoprene wrapped entirely around your feet and over your most comfortable performance shoes will keep you warm and dry. Very lightweight - like a pair of socks lightweight Makes your outing out right better!