First layer "flannel"? We got you. This lightweight shirt is an organic cotton and recycled polyester knit with a cool, vintage design. Everything you love about a woven button-down, boosted with extra breathability and flexibility. Details Fit: Standard fit, shirt tail, 29.5 inch length Feel: Medium weight, buttery soft jaquard knit with brushed surface Features: Knit jacquard, button-through drop-in chest pocket, adjustable cuffs Fabric & Care Shadowbrook Knit: 60% Organic Cotton, 40% Recycled Polyester Cheekily masquerading as a flannel, this mix of organic cotton and recycled polyester is actually a lightweight KNIT in vintage plaid patterns. Boosted with breathability and durability superpowers, the Shadowbrook is a layering gem with lots of room for flexibility. Care Instructions: Machine wash cold with similar colors on gentle cycle. Do not bleach. Tumble dry on low heat. Iron on cool setting as needed.