The Flashbomb 4/3 Chest Zip Fullsuit Wetsuit offers 4x3 mm thickness for excellent warmth and flexibility. Constructed from 80% neoprene and 20% polyamide with Fusion Hybrid technology, it features E7 and E6 flash linings, mesh skin panels, sealed cuffs, an internal key pocket, and advanced 3/4 Fusion dry seam technology for enhanced durability and comfort.