Patagonia Cotton Quilt Snap-T Pullover - Men's Fit: true to size Size: Medium Pit to pit: 24” Body: 8.6-oz 79% organic cotton/21% recycled polyester jacquard knit in a 1¼" diamond-quilt pattern (face: 100% organic cotton). Cuffs and hem: 12-oz 99% organic cotton/1% spandex rib knit. Pocket, placket and inner collar: 4.5-oz 100% recycled nylon plain weave with a DWR (durable water repellent) finish. Fair Trade Certified™ sewn