O'Neill Wetsuits Womens 2/1 mm Bahia Long Sleeve Spring Wetsuit Should fit snug, but not too tight 2mm 100% Super Stretch Neoprene 40% UltraFlex 60% FluidFlex Seamless Paddle Zones Underarm, Back Zip Flat stitch Construction Chic styling and absolute function: a unique wetsuit line for the style-savvy and performance-driven athlete Double Super Seal Neck UltraFlex Neoprene with Ultraflex Firewall inside Flat stitched Seams Seamless Paddle Zones Underarm