90/10 polyester/Spandex. Pillow Tech quilted, three-layer fabric. Top Layer: lightweight, four-way stretch woven. Insulation: warmth-retaining synthetic down. Base Layer: lightweight, four-way stretch woven. Quilting is 2.25" apart. 4-way stretch yoke & side panels. 2 chest pockets w/ secure snap and angled flap closure. 2 1/4" wide cuffs with 2 snap closure. Dyed-to-match matte enamel snap front placket & cuff. Spyder branded label on lower front placket. Spyder bug woven loop label on wearers left chest pocket. Spyder wordmark rubberized screenprint on back right shoulder. Modern fit.