The Mizuno Performance Sock G2 features a gripper top to keep your socks up. Perfect for wearing under your baseballsoftball pants. The performance Sock G2 is now made from a NylonAcrylicPolyesterElastic blend and features a gripper top to keep socks up, padded footbed, Personalized Name Plate PNP on toe, ankle support, Y-Heel that locks the sock in place, and more arch support.