Starting Points Slipper Soles feature genuine suede cowhide with a faux shearling lining and pre-punched holes for easy attachment. Easy-to-follow patterns and instructions for knitted and crocheted slippers included. Sizes small 8-1/2 inches long (fits women in US sizes size 5 to 6-1/2 men US size smaller than 4-1/2) Medium 9-1/2 inches long (fits women in US sizes 7 to 8-1/2 men in US sizes 4-1/2 to 6-1/2) and large 10-1/2 inches long (fits women in US sizes 9 to 10-1/2 men in US sizes 6-1/2 to 8).