Rawlings has several levels in the Revo line, the 950 series being the best (thickest leather that will hold up to heavy use). Still, the leather in this series is not as thick as their Pro Preferred or Heart of the Hide. It's hard to put a time stamp on it... some play a lot more than others over two years with travel, fall ball, lessons, etc. outside of HS season. Also, some take better care than others (leaving a ball int the pocket and leaving it indoors/in protective bag, etc.) I'd say Revo 950 is entry level for heavy use.