Dallas Cowboys '47 Clean Up Cap The '47 Clean Up is a soft, garment-washed cotton dad cap with a relaxed curve. Known by many as the best-fitting hat out there, it's comfortable for all-day wear and so cozy you won't want to take it off. Specs: Embroidered Logo on front Garment washed 100% cotton for a soft feel Unstructured, relaxed Adjustable back fabric strap (one size fits most) Curved Visor