Fabrication: Solid colors are made from 100% cotton; Ash Grey is 99% cotton, 1% polyester; Sport Grey and Antique colors are 90% cotton, 10% polyester; Heather colors are 50% cotton, 50% polyester.Neckline: Crew Neck Size guide S M L XL 2XL 3XL 4XL 5XL A) Length (cm) 71.1 73.7 76.2 78.7 81.3 83.8 86.4 88.9 B) Width (cm) 91.4 101.6 111.8 122 132.2 142.2 152.4 162.6 B) Half Chest (cm) 45.7 50.8 55.9 61 66.1 71.1 76.2 81.3 C) Sleeve Length (cm) 39.7 43.2 47 50.8 54.6 58.1 61.6 64.5 S M L XL 2XL 3XL 4XL 5XL A) Length (inches) 28 29 30 31 32 33 34 35 B) Width (inches) 36 40 44 48 52 56 60 64 B) Half Chest (inches) 18 20 22 24 26 28 30 32 C) Sleeve Length (inches) 15.6 17 18.5 20 21.5 22.9 24.3 25.4 Care instructions Wash Machine wash cold (max 30C or 90F) Bleach Only non-chlorine Tumble Dry Low Dry Clean Do not dry clean Iron Decorate Do not iron decorate Iron Iron or steam with medium heat