100% Nylon mini-Ripstop body quilted with 3oz/yrd2 poly fill. 90% Poly / 10% elanstance 9.75oz/yrd2 4 way stretch soft shell sleeves to reduce bulk. Thumbhole cuffs., Inside right chest zipper pocket with cord escape, Inside right mesh stuff-it pocket, Inside left chest welt pocket, 2 front pockets with YKK zippers and pulls, #5 YKK main zipper with reflective tape and pull. Embroidery access zipper.