This is the O&';Neill Ninja Split Toe 3mm Boot Scuba Diving Booties Features: Split Toe Anatomical Fit Minimal Design Anti-Flush Shin Strap Interior: FluidFlex Exterior: Durable Krypto Forefoot Glued and Blindstitched Seams Stay covered Head-to-Toe in O&';Neill&';s premium lineup of equipment designed to shield you from the harshest conditions. Our world-class athletes search the planet for perfect surf, the R&D team at Area 52 developed product to allow you to perform in the most extreme elements and excel in the coldest climates.