SOL'S PIONEER KIDS, KIDS’ ROUND-NECK FITTED JERSEY T-SHIRT, 100%  organically grown cotton, Natural finish for a softer and smoother feel JERSEY 175, 100% cotton ribbed collar, Round neck, Neck tape, Fitted cut, Tubular, (1) Grey melange : 85 % Organic cotton / 15 % viscose. About sizes matching, please refer to the size chart in the product documentation section.