This is the ideal intermediate layer for training in spring & fall due to an exclusive hybrid structure that offers both protection from wind & ventilation depending on the torso area. The bands on the stomach & kidney areas add a special membrane to the main fabric for protection from wind downhill & the coldest weather. The back & inner arms are made from a lighter, breathable fabric, for perfect ventilation at all times when riding, even with a backpack. Close-fitting with elasticated cuffs, it provides a great fit & prevents bothersome flapping at high speeds. High Gravity Mazo adapts perfectly to use over a jersey & under a waterproof shell. It has been designed to provide maximum comfort both downhill & on climbs. Features windproof integrated front membran body-mapped areas for moisture management elasticated cuffs light breathable back construction slim fit