Infinite Non-Iron Blue Slim Fit Stretch Dress Shirt 15 1/2 34/35 In a crisp non-iron cotton blend, this shirt features fabric with stretch for the ultimate in comfort and fit. It also has an expandable comfort collar that stretches up to 1/2 inch. Don't sacrifice comfort for style with this slim-fitting dress shirt. Non-iron 96% cotton, 4% elastane Spread collar Flex comfort collar stretches up to 1/2 inch Fabric is woven with stretch Slim Fit Calvin Klein Imported Machine Washable