- The Blanket Shirt is the Outerknown all-time best-selling style - Incredibly soft and cozy - Crafted from a heavyweight organic cotton twill with buttons made from nuts, it's sturdy yet incredibly soft and breathable. - Built for travel. Stands up to wrinkles and the elements. - Designed with an easy fit, ideal for layering on chilly nights or mornings. - Features chest pockets and an organic cotton yoke.