Newly upgraded for 2018 to give you performance in a value driven package comes the O'Neill Reactor II Short Sleeve Wetsuit. The Reactor II gives you the perfect combination of stretch and durability and features a back zip entry for easy entry and exit into the wetsuit. Made with UltraFlex this neoprene wet suit is super soft, flexible and high performing. There are seamless paddle zones that uses minimal seam placement for high comfort and the double super seal neck adds to the superior feel and flexibility. UltraFlex Fluid Foam Material, Strategic Seamless Paddle Zones, Wind Resistant Smoothskin, Style: Short Arm Spring, Thickness: 2mm, Seam Construction: Flatloc-Stitched Breathable Seams, Model Year: 2018, Product ID: 510535, Shipping Restriction: This item is not available for shipment outside of the United States., Model Number: 5041 A00 S, GTIN: 0191015029589