Crocs Aspen Men's Clog Sandals.The Aspen has a convertible strap that can be worn behind the heel, or forward for a slip on clog. Made with croslite PCCR material, which is slip resistant, non marking, anti microbial and odor resistant. The Crocs Aspen is designed for both Men and Women. The sizes listed are in Mens, so to get the correct size in Womens, you will need to add 2 to the size. So if you order a size 6 , when the sandal arrives it will be a Mens 6 / Womens 8. On the bottom of the sandal it should read M6 / W8.