Check the listing for details. #21 Dark Blue/Black - Reversible - 100% Cotton Fabric Welding Cap - made in USA. Color: Blue, Condition: New without tags. Listed at 12.00 USD. Selling reversible Welding or Biker caps, made with 100% cotton fabric. 9This is the 6-panel design which will give you the best fit possible!One side is dark blue and other one is black.No cardboard inside.The best way to ensure you get a proper fit is to measure your head around the widest point across your ears (for deep crown), above your ears (for shallow crown) comfortably. Please measure your head for more accurate hat sizing. All caps come from a pet-free and smoke-free environment. I prewash and dry all fabric, before I cut or sew.If you dry your hat on high heat you will still see some shrinkage. The caps ship within 2-3 business days.If you have any questions prior to your purchase - please feel free to ask them!Thank you for looking!If you are happy with the purchase - positive feedback would be appreciated!