Heather Black/ Heather Grey is 80/20 polyester/ acrylic
Heather colors are 50/50 acrylic/ polyester
"},{"@type":"Product","image":"https://products.mpowerpromo.com/SM/ST301/1161331/_300_300_f22/ST301_whiteforestgreen_form_front.jpg","name":"Sport-Tek Classic Long Sleeve Rugby Polo. ST301","productId":"ST301","category":"Apparel","offers":{"@type":"Offer","priceCurrency":"USD","price":50.38,"availability":"InStock"},"sku":"ST301","description":"A lighter weight and authentic rugby polo in popular team colors."}]}