The O'Neill Hyperfreak Fire range focuses on extreme warmth, high performance, increased durability, and comfort. All-new sustainable, buttery soft, heat recirculating TechnoButter 4 materials line each suit. These technologically advanced materials plus water-tight Fluid Seam construction have created a new cold water legend. Fire red-hot heat takes the innovative Hyperfreak legacy to the next level. F.U.Z.E. Closure (Chest Zip) Redzone Water Resistant Zipper 360 degree Barrier With Drainholes and Anti-Flush Barrier (F.U.Z.E.) Tapered Cuffs with Segmented 3D Wrist and Ankle Seals Recycled Oyster Shells and Eco Carbon Black Infused Neoprene Recycled Dope-Dyed Yarn Jersey Aqua Alpha Solvent Free Neoprene Lamination Key Pocket with Loop Triple Glued and Blindstitched with Exterior Fluid Seam Weld Technology Front / Back / Thigh / Butt: TB4 Firewall Shoulder / Shin / Calf: TechnoButter 4 Entry / Sleeves: TechnoButter 4X PLUS (+) = 0.5mm Extra thickness for even more warmth | O'Neill Youth Hyperfreak Fire 3/2mm+ Chest Zip Full Wetsuit in Blk Oil Rv, Size 10