Measurements were taken from a men's size 9. There may be slight variations based on size Shaped EVA insole for added comfort for long days on the water 100% Waterproof Approximately 3.5 lbs Half sizes available! The Boatyard, by XTRATUF, is a 100-percent waterproof collection of leather work boots that provides traction, comfort and protection. This 6-inch lace-up boot has a rubber vamp with a saltwater-resisting full-grain leather upper that develops a patina over time. Inside the boots have a breathable waterproof membrane and a Shaped EVA insole. These lightweight boots have same XTRATUF non-marking, slip-resisting Chevron outsole as their rubber counterparts.