Size Guide: Chest Measured Pit to Pit Small: 35"- 38" Medium: 38"-41" Large: 42"- 45" X-Large: 46"-49" Based in Portl&, Oregon, Columbia Sportswear is a global outdoor brand that crafts active lifestyle gear fortified with industry-leading technologies & tested in our own backyard. Our apparel, footwear, & accessories reflect our Pacific Northwest heritage & indomitable spirit. Cotton Blend Contrast Sleeves Ribbed Neck & cuffs Hand Pockets