Clothing Size: 33-38 01MWX Wrangler 20Xa 01 Competition Jean – 100% cotton 400ml denim. Boot cut. Mid-rise. Stitching on back pockets. The Wrangler 20Xa 01 Competition Jean. Tough, real and worn by those to be reckoned with. This jean is built tough for competitive situations, and sits below the waist with a relaxed seat, thigh and knee. Tough, real and worn by those to be reckoned with. This jean is built tough for competitive situations, and sits below the waist with a relaxed seat, thigh and knee.