New LavaCore Trilaminate Polytherm Unisex Booties (Medium) for Scuba Diving, Surfing, Kayaking, Rafting, Paddling & Many Other WaterSports Hard wearing sole with grip and flexibility Added footing on wet surfaces Anti-burn protection on hot sand and pebbles Polytherm fleece lined for optimum in water thermal protection Water resistant outer layer on all lavacore fabrics facilitates fast water run off and is incredibly quick drying. Wind proof middle layer provides anti wind chill properties and ensures you stay warm in cold conditions. Antibacterial inner fleece minimizing odor and eliminating bacteria. 4-way stretch makes Lavacore incredibly comfortable to wear. Breathable middle layer allows perspiration to be drawn away in hot conditions. Lavacore is neutrally buoyant so you won't be unnecessarily weighted down. All Lavacore seams are overlapped during flatlock sewing to ensure maximum water integrity Sun protection of SPF 50+ Lavacore is designed and developed in Cooperation with Oceanic, your guarantee of quality.