Outerknown Brand. Get dressed and out the door in minutes! Classic Fit. Crafted from a soft organic cotton and linen blend that's lightweight and ready to roam. 51% organic cotton 49% linen. Organic cotton cuts out all the harmful synthetic chemicals used to grow conventional cotton, making for safer working conditions for farmers and a healthier planet. The natural corozo buttons are made from tagua palm nuts gathered from the forest floor. It’s a solid alternative to plastic. S.E.A. stands for Social and Environmental Accountability