Size L (Junior) Xtend neoprene through the upper body gives great stretch and freedom while paddling, and the Glued & Blindstitched seams combined with True Thickness neoprene keeps you warmer than any other wetsuit available at this price level. Xtend neoprene upper body Free Flex neoprene lower body 3D pre bent Dura Flex knee pads Super Seal Glideskin collar Mesh Skin chest and back Back zip entry Glued and Blindstitched seams Critically reinforced seams Seamless paddle zones True Thickness Key Pocket Son only got to wear it few times. Selling it because he grew. He is using same wetsuit bigger now. Awesome product!