• 100% cotton • Sport Grey is 90% cotton, 10% polyester • Ash Grey is 99% cotton, 1% polyester • Heather colors are 50% cotton, 50% polyester • Fabric weight: 5.0–5.3 oz/yd² (170-180 g/m²) • Open-end yarn • Tubular fabric • Taped neck and shoulders • Double seam at sleeves and bottom hem Disclaimers:  • Due to the fabric properties, the White color variant may appear off-white rather than bright white. Age restrictions: For adults EU Warranty: 2 years Other compliance information: Meets the flammability, lead, cadmium, phthalates and formaldehyde level requirements. In compliance with the General Product Safety Regulation (GPSR), Mas54 ensures that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact us at mas54ie@gmail.com or write to us 33 hammond street, Dublin.