? Unisex sizing - True to Size (review the size chart in listing photos before ordering)? Gildan 18000 - Made with 50% polyester and 50% cotton? The collar is ribbed knit, so it retains its shape even after washing? Double-needle stitching at the shoulder, armhole, neck, waistband, and cuff seams? Fabric blends: Heather Sport colors - 60% polyester