SBR Lite fabric delivers an unparalleled quick dry out of the swim, & mid level gauge for optimal ventilation, while flatlock seams, a streamline cut & 50D elastane enhance comfort. Check out the full 2XU tri range here. Check out the 2XU wetsuit range here. SBR 1: Impressive moisture management 2: Maximum airflow 3: Stability + muscle vibration control with excellent stretch + recovery 4: UPF 50+ sun protection