100% polyester, 7 oz. GrizzlyTec? 2-way stretch performance canvas ; 100% polyester canvas reinforcement at high-stress areas; GrizzlyTec? performance features: abrasion-resistant, water-resistant, windproof, and heat-retaining ; Brushed tricot lining in upper body ; Diamond-quilted nylon lining from waist down for easy on and off; 3M? Thinsulate? insulation for superior warmth without bulk; Storm Shield? Level 2 for steady rain; Triple-needle stitching to reinforce high-stress areas; Rivets for reinforcement at high-stress areas; Heavy-duty, YKK metal zippers with easy-grab pulls at fly and side legs; Zippers from knee to hem for easy boot removal; Articulated knees and bottom-loading knee pad pockets with hook and loop closures (knee pads not included); 3M? reflective trim at chest pocket, knees, and back yoke; No-slip contoured shoulder straps with adjustable side release plastic fasteners ; Gusseted inseam for ease of movement; Exterior hand pockets with single secure phone pocket, exterior chest pocket with zipper closure ; Six multi-purpose hip and leg pockets with canvas reinforcements, two tool loops