This REVO SOLID CORE 550 Fast Pitch Series 1st Base model features the Single Post double bar web, which gives it a stretchable web and forms a snug secure pocket which allows the ball to stick and not bounce. With its 13" pattern, this glove is designed only for the 1st base position. The REVO SOLID CORE Technology is a revolutionary new design that improves the fit of the glove to your hand by enhancing your grip, allowing for better control of the glove. The laceless heel and pocket along with the Easy Break design enables these gloves to close easier allowing the glove to break-in quicker than traditional gloves. The REVO SOLID CORE Series is designed player specific on how the player catches the ball based on position and player preference.