O’Neill Heat Ninja 5/4mm ST Boot 2027

Stay covered head-to-toe in O’Neill’s premium lineup of equipment designed to shield you from the harshest conditions. The R&D team at Area 52 develop products to allow you to perform in the most extreme elements and excel in the coldest climates.

Interior: FluidFlex, Exterior: Durable Krypto Forefoot, Glued and Blindstitched Seams

Inside panels consist of 100% nylon. Outside panels 100% nylon. All panels bonded to neoprene (non-fibrous rubber). Lining 76% nylon 16% spandex 8% polyurethane.