O'Neill Wetsuits Men's Pyrotech 4/3 mm F.U.Z.E. Entry Fluid Seam Weld Full Suit Should fit snug, but not too tight F.U.Z.E. Front Upper Zipper Entry Keeps you dry without restricting flexibility 4/3mm TechnoButter Neoprene is the most advanced super stretch neoprene; less water absorption with quick dry properties Strategic Seamless Paddle Zone, Krypto Knee Padz Single Fluid Seam Weld (Watertight Technology) Super Seal Cuffs, Krypto Knee Padz, External Key Pocket and The LSD Lumber Seamless Design F.U.Z.E. Front Upper Zipper Entry Keeps you dry without restricting flexibility