gilet mx soft shellWeather resistant main structure with 2 way stretch fabric and medium weight fabric Side panels in 4 way stretch lycra with mesh air vents for breathability Athletic fit, not too loose, not too tight 4 zippered pockets (2 internal and 2 external) 2 additional internal pockets for larger items Stretch fabrics around the waist and arms to keep the vest close to the body YKK zippers everywhere Shell Fabric: 100% Polyester; Liner: 100% Polyester