The womens Michael Phelps MPulse Kneeskin offers fantastic value & performance with its compression & comfort. It's FINA approved & can be worn for training & race days. The silicone leg grippers ensure a secure fit & the water repellent fabric with the smooth seaming creates a streamlined shape in the water. FEATURES Dynamix Technology: repellent fabric, compression plus comfort Glide sensation Bonded seams reduce drag & provide structure & support to the body Internal silicone grippers ensure a precise fit Overlock seams FINA approved UV protection UPF 50+