- Smooth and stretchy 'AIRism' fabric with quick-drying DRY technology. - With Cool Touch, deodorizing and technology. - Perfectly fitted cut stays hidden under outer layers. - T-shirt style collar design for easy layering. - 'AIRism' was jointly developed by UNIQLO and Toray. -We support the reduction of waste and of oil consumption. Clothing made using recycled polyester derived from PET bottles is part of this effort. Ratios of recycled polyester vary by item. Please check “Materials” for details.