3.6 oz., 52% Airlume combed and ring-spun cotton / 48% polyester, 40 single (Triblends: 3.8 oz., 50% polyester / 25% Airlume combed and ring-spun cotton / 25% rayon, 40 single; Marbles: 4.0 oz., 91% polyester / 9% Airlume combed and ring-spun cotton, 32 single; Black Heather: 90% Airlume combed and ring-spun cotton / 10% polyester). Side-seamed. Retail fit. Unisex sizing. Contrast raglan sleeves and neck trim