4.2 oz.(US) 7 oz. (CA), 52/48 Airlume combed and ringspun cotton/polyester
A Black Heather are 90/10 airlume combed and ringspun cotton/polyester 
Heather Prism colors are 99/1 airlume combed and ringspun cotton/ polyester (Unique coloring, grey flecks of heather pulled through the base color)
Retail fit
Unisex sizing
Coverstitched collar and sleeves
Shoulder-to-shoulder taping
Side seams
Tear-away label