MR P. Grandad Collar Organic Cotton and Linen Blend Seersucker Shirt Men's Organic Cotton Seersucker Shirt, Short Sleeve, Slightly Fitted FrizmWORKS OG Cotton Seersucker Shirt Green FrizmWORKS Big Square Seersucker Shirt Green. Our classic long sleeve button down shirt is cut from soft organic cotton seersucker that has a light and breathable feel. Features classic styling that makes it so easy to dress up or down, like roll up sleeves, buttons at the center front and a functional chest pocket. A spring staple that he'll love. 100% Organic Cotton, exclusive of trims. Garment is 100% GOTS Certified Organic. Learn more about our certifications here. Functional left chest pocket. Small canvas logo label at inner button placket. Machine washable.