Size XO I tried it on after purchasing, but it doesn't fit, so I'm selling it. Equipped with VeryCool Dry technology that quickly absorbs and disperses sweat to keep the inside of the garment dry. Specifications: UV cut, stretch, VeryCool Dry, sweat-absorbent and quick-drying, antistatic Country of origin: Vietnam Technology: VeryCool Dry, UV cut, sweat-absorbent and quick-drying, stretch, antistatic Sleeveless shirt with a breathable design. - Brand: YONEX - Product name: Men's Game Shirt (Sleeveless) - Model number: 10669Y - Color: Red Thank you for viewing.