The shimano tr32 spd sl triathlon shoe is an entry level triathlon shoe that delivers high performance for the enthusiast shimano tr32 spd sl traithlon shoe features supple synthetic leather and 3d moisture control mesh uppers reversed strap closure and heel strap for fast transitions quick dry interior for comfort without socks strap position keeper for faster entry shimano dynalast secures the foot into the ideal ergonomic position for a more efficient up stroke l