Our Learn To Swim (LTS) swim products provides the essentials to empower anyone new to swimming. These core training suits provide a comfortable and easy introduction to swimming without the investment. The Swim Pro silhouette features thick straps, full front lining, and our most conservative cutout design for a sporty look with maximum back coverage and support. Fabric: arena's WaterFeel fabric is a 4-way stretch fabric designed to deliver maximum comfort with optimal range of motion thanks to its perfect balance of lightness, elasticity and power retention. The LYCRA XTRA LIFE fabric (polyamide 80%) does provide optimal chlorine resistance, 50 UV protection and piling and abrasion resistance quality to our Learn To Swim (LTS) product line.