Product HighlightsElevate your streetwear collection with the Galactic Threads Double-Layer T-shirt. Crafted from premium cotton, this versatile piece features a unique double-layer design with detachable sleeves, allowing you to transition effortlessly between long-sleeve and short-sleeve styles. Premium cotton fabric for all-day comfort Innovative detachable sleeve design Classic O-neck silhouette Perfect for layering or standalone wear Size Sleeve Length Shoulder S 54 70 55 M 55 72 56 L 56 74 57 XL 57 76 58 The detachable sleeves. DetailsMaterial: CottonCollar: O-neck Size Chart Size Sleeve Length Shoulder S 54 70 55 M 55 72 56 L 56 74 57 XL 57 76 58 Note: 1-This Size Chart is only for your reference. Please allow a 1-3 cm error for hand measurements. 2-Not sure about your size? Contact us and we will recommend to you the perfect size. 3-As different computers display colors differently, the color of the actual item may vary slightly from the above images.