Keep Calm and Kilt On. Grunge Kilt T-Shirt Made in USA T-Shirt. 100% Cotton Made in the USA / Celtic, Irish and Scottish designs by Twisted Kilter Tees. Screen Printed on a Bayside MADE IN AMERICA T-Shirt. T-Shirts that look great while wearing your kilt. 6.1 oz. 100% Pre-Shrunk American Made Cotton Tee. Premium Thick Cotton Tee. Twisted Kilter Celtic Tees. T-Shirts with Kilt, Irish and Scottish themes. Printed on hoodies, tanks, tees. Mens and womens. Tee Shirt is roomy, not fashion cut. Runs true to size. Thick heavy cotton. Quality Made in America tee shirt!