- O'Neill Size Chart - Refresh your everyday wardrobe wearing the O'Neill® OG Convene Vintage Short Sleeve Tee Shirt, a timeless essential designed for laid-back comfort and effortless style. Crafted in a regular fit, this versatile tee offers a relaxed feel that's perfect for everything from weekend adventures to casual hangouts. The classic crew neck and short sleeves create an easy-to-wear silhouette that pairs seamlessly with jeans, shorts, or joggers. Signature O'Neill logo graphics on the chest and back add an authentic surf-inspired touch, giving this tee a distinctive look from every angle. A straight hem delivers a clean finish, while the convenient pull-on design makes getting ready quick and hassle-free. - 100% cotton. - Machine washable. - Imported. Measurements: - Length: 28 1⁄4 in - Chest Measurement: 42 in - Product measurements were taken using size MD. Please note that measurements may vary by size.