4.5 ounce, 100% nylon Carstrong shell fabric, as strong as sandstone duck, thanks to Carstrong fabric. Rain Defender durable water repellent. FastDry with 37.5 Technology mesh lining dries fast to keep your body at its ideal temperature. Fights odors. Specially designed back vent for additional breathability. Mighty Back bi-swing between shoulders for instant recovery. Flex Elbow for less restriction. Side seam panel that extends through underarm or ease of movement. Two upper map pockets with zippered closure. One interior pocket. Hook and loop adjustable cuffs. Triple-stitched main seams. Back length, Large Regular=27.5 inches, Large Tall=29.5 inches.