The Billabong Womens Spring Fever 2mm longsleeved shorty wetsuit is not just for summer time surfing or paddleboarding. It would also be great for open water swimming.  2MM thickness Style: short leg and long sleeve top Exterior Fabric Type: 100% recycled Superflex jersey Foam: Superlight foam made from partially recycled material Interior fabric: Silicon stretch lining Back zip entry Seams: Flatlock stitched external seams; soft, flexible and durable Sizing: This product runs small, check the size chart for your perfect fit