FIN-COMPATIBLE DESIGN - Purpose-built for tactical water operations, the Altama Maritime Mid boots feature a streamlined, fin-friendly fit designed to be worn sockless; The narrow profile accommodates most military dive fins, ensuring high-performance long swims and aquatic missions MOISTURE MANAGEMENT - Constructed with air mesh linings and front non-metallic drain ports that move moisture out, the unisex sneakers allow water to escape efficiently; Made with abrasion-resistant 1000D Tuff Stuff nylon upper, this tactical footwear stays lightweight and ready for repeated use DEPENDABILITY & CONTROL - A full-length one-piece ABS shank ensures that the fin-compatible work boots deliver increased stability when performing high-stress movements in demanding conditions; With durable Zero Drop outsoles, they keep full contact with the floor during land-to-water operations NON-SLIP SAFETY - For exceptional traction, the tactical boots for men and women are equipped with a SEAL rubber outsole, offering non-marking and slip-resistant performance on wet decks, rocky surfaces, and slick boat ramps; The low-profile laces prevent pain when wearing fins during long swims DURABILITY & FAST-DRYING COMFORT - Designed for longevity, the Maritime Mid boots are enhanced by non-shine, rust-proof lace hardware and an Ultron PU contoured insole that doesn't absorb water; Airport-friendly and rugged, the unisex combat boots handle demanding maritime environments