XCEL Men's Revolt X2 Fullsuit 4/3 Entry System: Crossover Neck Entry,X2 Materials: Quick Dry Fiber,Airprene,V Foam,UltraStretch Neoprene,Texture Skin,TD3 Th3rmoDry,Quick Dry Lining Construction: Glued &amp;amp; Blindstitched Seams,Drylock Wrist Seals,Fusion Seam Technology,Pressure Bonded Seams,NexSkin Seals Fit: Back Knee Flex Grooves,DuraFlex Knee Panels,Less Seam = More Stretch,Contoured Neck