Ash, Athletic Heather - Blank. Port & Company (R) Youth 5.4 Oz. 100% Cotton T-Shirt. An indispensable t-shirt in our classic silhouette-with a very friendly price. 5.4-ounce, 100% cotton. Great Value! Due to the nature of 50/50 cotton/poly neon fabrics, special care must be taken throughout the printing process.