Breathable Button Up Sleep Shirt
Fiber composition
EU 1007/2011Disclosed on the care label · EU 1007/2011
About this composition
Its declared composition is 0% natural fiber; the 53/100 MaterialFilter Naturalness Score is the weighted average of all its fibers. The 96% Modal is a semi-synthetic fiber — plant-derived but chemically processed — which scores lower than natural fibers in our methodology. The 4% Elastane is a synthetic fiber, which scores zero in our methodology.
- Modal: beech-based rayon — softer and stronger wet than viscose, but still a semi-synthetic fiber. Read the Modal guide
- Elastane: a fully synthetic polyurethane stretch fiber — typically the first fiber in a garment to wear out. Read the Elastane guide




About this product
Hot sleepers, this one’s for you. The Button Up Sleep Shirt is made from a lightweight modal blend with a relaxed fit and long length. Softer than cotton, naturally cooling, and sustainably made, it drapes effortlessly without clinging or overheating. A pajama button up to throw on, this shirt is as good for sleeping in as it is for lounging all morning.