Proof is a casual clothing brand based on America’s East Coast. Established in 2008, the label creates quality apparel. Shop preowned Proof clothing on Depop. Search secondhand closet staples featuring oversized graphic prints and slogans taking inspiration from New York and New Jersey. Explore used athleisure pieces, baseball caps and snapback hats alongside vibrant socks and other items. Expect relaxed fits and comfortable streetwear in long and short sleeves. Find it online now.