3.7 oz./yd2, 30/1's fabric; 50% cotton / 25% polyester / 25% rayon; Tri-Blend colors are 50% polyester, 25% cotton and 25% rayon; Tri-Oatmeal is 50% polyester / 37% cotton; shoulder-to-shoulder tape and 7/8inch seamed collar; 1inch blind-stitch sleeve hem; 1inch double-needle bottom hem; double-satin razor label; sideseamed; made in USA of US and imported materials