XS Scuba&';s 3mm Tropical Boots are built for the diver who demands quality in a low-cut boot. Lightweight yet rugged 3mm neoprene material with glued and blind-stitched construction, vulcanized rubber sole with protective mid-sol with aggressive sure grip traction make these great warm water wear. Comfort is increased with the soft nylon lining and exclusive arch design, and added durability is achieved with the extended heel for fin protection. Lightweight and rugged Extended heel for fin strap protection Aggressive "SureGrip" vulcanized rubber sole Soft nylon lining Glued and double blind-stitched Sizes: Mens sizes to convert to womens go up approx 1.5i.e. Mens size 5 is approx womens size 6.5