Gaastra Velvet is 5/3mm thick wetsuit designed for women. Ensures great thermal comfort and warmth before and after summer season and during summer season in extremely cold days. Comes with back zip, which makes it very easy and fast to put on. SL version (single lined) means that the entire outer layer of the wetsuit is covered with rubber neoprene, which makes it wind resistant, more tight, waterproof and warmer. Great for all kind of water sports, windsurfing, kitesurfing etc. Gives you full freedom of movement. Features reinforced kneed and velcro neck closure to snug fit and more comfort. Additionally had blind stitched seams for premium comfort and quality.