Sizes Chest (to fit) S - 34/36", M - 38/40", L - 42/44", XL - 46/48", 2XL - 50/52" Unsure about sizes? Measurements can be found in images This T-shirt is Oeko-Tex® Standard 100 Certified! We use these T-shirts not just because they fit well and feel great, but the manufacturers are greatly committed to both their social and environmental responsibilities. Want to know more? Ask! :) Fabric: 100% Ringspun cotton Soft ring spun fabric High stitch density for smoother printing surface 1.6 cm rib collar Taped neck and shoulders Twin-needle sleeve and bottom hems Eurofit tubular body