Aqua Sphere Aqua Skins Womenu0026#39;s Long Sleeve Swim Skin (Grey/Turquoise, Medium)n1mm super stretch neoprene panels on front and back keep your body warm;UPF50 coated lycra sleeves and collar for comfort;Shoulder zipper makes it easy to put on;Thermo-Guard technology provides warmth, maximum flexibility and rane of motion in the shoulders and chest;Glide skin neoprene's ultra soft for comfort, water repellent, fast drying and offers 100% UVA/UVB protection