• 100% combed and ringspun cotton • Tri-blends are 50% polyester/25% combed/25% ringspun cotton/rayon • Fabric weight: 4.2 oz/yd² (142.40 g/m²), triblends: 3.8 oz/yd² (90.07 g/m²) • 30 singles thread weight • Side-seamed, unisex sizing