polyester
DuPontTM Teflon® treated microfiber polyester. Repels wind, water, stains and wrinkles.
Birdseye polyester neck trim.
On-seam pockets.
Mesh underarm gussets.
Spandex at the ribbed hem.
Chestnut Hill Microfiber Wind Shirt. CH800 DuPontTM Teflon® treated microfiber polyester. Birdseye polyester neck trim. On-seam pockets. Mesh underarm gussets. Spandex at the ribbed hem. Repels wind, water, stains and wrinkles.
Source:
http://ecx.images-amazon.com
Image link