Body Glove Men's 3/2mm Prime Slant Zip Full Body Wetsuit, Medium/Large Should fit snug, but not too tight Advance Pyro stretch insulation from chest down; High performance super stretch EVOflex composite blend of materials; Interior Glide skin neck for added comfort Vapor lock seams with 100-Percent exterior Fluid Seal; Anatomically cut; Unfinished collar, wrist, and ankle cuffs with fused edges; Double lock S-Seal wrists and ankles Nano Tritec kneepads, Interior elastic key cord Concealed left shoulder bib cinch for reduced water flushing, EZ-Entry Slant zip Enhanced top entry design, Drain holes in chest and back panels to prevent flooding