The 1MM Performance is a handy back zip neoprene performance jacket in super stretch fabric. the 1MM Performance is for those slightly overcast" warm-water days. WARMTH & STRETCH 100% Super stretch limestone-based neoprene " lighter" warmer" softer" stretchier" easier to put on and take off" and allows for more freedom of movement. Dope Dyed Fabric- Softer" eco-friendly" anti-fade stretch jersey laminated with AquaA eco-friendly water-based lamination is completely solvent free. Made by Bluesign approved mills. FEATURES Flat lock stitched" Short Back Zip" Side toggle and Boardshort compatible secure cord.