Gap + Pendleton sleeping shirt. Multi-color plaid. Very soft and comfortable. Great condition. Tag size: XS Chest: 18.5" Length: 35" We measure chest size by laying shirt flat face down and measuring arm pit to arm pit. We measure length by measuring center of the back collar seam (where color is sewn to shirt) to tail end of shirt. If you are unsure of your measurements, measure a shirt you have that fits to compare size