Firstgear Women's Contour Mesh Jacket (MEDIUM) (WHITE) Outer shell made of 250 denier poly mesh for complete ventilation in warm weather Lightweight, nylon, perforated inner lining for maximum airflow Detachable, fully-sleeved, water-resistant, wind block liner Protection includes CE-rated armor in the shoulders and elbows plus an EVA foam back pad 2 exterior pockets secured with zip closures