Xcel Women's Xcelerator 1/0.5mm Short Sleeve Top 1mm UltraStretch neoprene upper sleeves; 0.5mm UltraStretch under sleeves 1mm SuperStretch easy on and off front and back panels Loop It Or Lose It! waist loop ties can be secured to boardshorts for a more secure fit Comfortable flatlock seams lie flat and smooth against your skin Elastic cord with cinch in waist