Maritime Boot for all tactical water operations; Incorporates Fin Friendly Fit; Air mesh linings help wick away sweat and other moisture quickly from your foot; Full length one piece ABS shank provides stability and support when climbing a caving ladder; Non-shine rust-proof lace hardware; Ultron PU contoured insole will not absorb water; High abrasion quick drying 1000D Cordura quarter panels; Front non-metallic drain ports allow for water to drain easily when flexing the boot; Seal Rubber Outsole with Zero Drop; Weight: 13.5oz (385g)