Plain colourways : 100% organic cotton. Colour Ash Heather : 98% cotton / 2% viscose. Oxford Grey colourway : 90% organic cotton / 10% viscose. Colours Wine Heather ; French Navy Heather ; Green Marble Heather ; Cloudy Blue Heather colourways : 80% organic cotton / 20 % polyester. And Grey Heather colourway : 70% organic cotton / 30% viscose. Ribbed crew neckline with elastane. Matching taped neck. Tubular. Twin needle finishing at cuffs and hem. Certified STANDARD 100 by OEKO-TEX®N° CQ1007/7, IFTH.