The products in the Legacy Series are built with the same enduring quality and value that you have come to expect from anything carrying the Carhartt name. The Classic Work Pack uses heavy-duty poly treated with Carhartt's Rain Defender Durable Water Repellant formula and reinforced Duravax to further protect the bags from tears and abrasion. Triple stitch reinforcements, YKK zippers and robust organization have prepared these bags to endure the rigors and demands of hard work. Built of 1200D Poly with Rain Defender Durable Water Repellant. Duravax 5x abrasion resistant base. Large main compartment to store books, files or computer. Zippered organization compartment for additional storage and room to stash power cords and accessories. Hanging zippered pocket. Contour fit shoulder straps. Padded air mesh back panel.