This is a D&Y brand Fisherman's Cap - Elastafit - Light Grey linen-look design - polyester blend fabric - Relaxed Structure - Lined - Tag reflects One Size Fits All; however, Cap Measures 22 1/2" Circumference on the Inside and it has elastic stretch in the back - could be considered Unisex Adult. The cap is pre-owned, but in great condition. It has been washed and is ready to wear! Ships to you in a box!