SUGOi Apparel Size Chart The Evolution Zap Jersey's performance Dri Tech construction wicks away moisture and dries quickly to shed excess heat. It has a full length zipper for custom ventilation, and is semi-fitted for a comfortable, non-bulky fit. The three back pockets store essentials and are reflective to help keep you visible in low light conditions. Features: - Dri Tech fabric provides moisture management and breathability - Full length zipper for ventilation - Three elastic back pockets to store your essentials with Zap reflectivity for visibility - Semi-fitted