The Orca open water Mens swimming wetsuit is made from 1.5 to 2.5 Yamamoto neoprene. Its a comfortable flexible swim wetsuit and protects from the elements in open ocean swimming. The bright orange sleeves provide high visibility for added safety in the water. Because Orca have a large variety ofÃÂ sizes this ensures there is a suit to fit all body shapes and sizes. Tough flat lock stitching and back zip entry makes it so easy to put your wetsuit on.