Alexander Wang for H&M tshirt size S new NWT streetwear sportwear sport . Very oversized will also fit more fitteed M This long discontinued collection was a fantastic hommage to all the sports uniforms. Material is incredibly breathable , durable, I wear mine constantly for years and many washes later it still looks like new. Longest length - 30 inch arm to arm- 20 inch Armpit to armpit -20 inch