80% combed cotton/20% polyester. Low shrinkage brushed fleece. Silicone wash. Contrast neck tape (Heather Grey contrast for all colours, except for Oxford Grey body where neck tape is Middle Grey). Ribbed neck with cross shape cover stitch. Ribbed cuffs and waistband. Certified STANDARD 100 by OEKO-TEX® N° CQ 1007/8, IFTH.