RailRiders new VersaTac Light Shirt is one of their lightest and most dependable that features featherweight 1.5oz nylon and polyester blend. This shirt also features: 2 front cargo pockets with flaps and zippers, 2 larger vertical zip pockets that sit behind the cargo pockets to secure all of your belongings. Roll-up sleeves with lashes to keep your sleeves in place stay plus invisible snaps under the collar tabs to hold the collar points down. In addition to how lightweight this shirt is, you'll also be well ventilated with the VersaTac ventilation panels. These panels run from 9 inches above hem into armpit, down the sleeve to 3" before the cuff. A back vent with cape adds ventilation making this the perfect shirt for warmer weather.