North Face Groundwork Backpack TNF Black Style Number:NF0A3KX6 9 ounce 50 50 cotton poly fleeceAir jet Style Number:T474 9 ounce 50 50 cotton poly fleeceAir jet yarn for a soft pill resistant finishDue to the nature of 50 50 cotton polyester neon fabrics special care must be taken throughout the printing process 8 ounce 100% polyester tricot Snag resistant Tag free label Taped neck Flat knit collar 3 button placket with dyed to match rubber buttons Set in open hem sleeves Side vents *Due to the nature of 100% polyester performance fabrics special care must be taken throughout the printing process With the bungee cords crisscrossing the front of the pack 450D x 300D heather polyester