Made with 100% cotton interlock, which is extremely soft, firm and absorbent. Mercerization treatment gives this fabric a silk-like lustrous appearance for a polished look and hand feel, adding strength and reducing shrinkage. PERFORMANCE FABRIC: We also added special anti-odor and breathability properties to keep it feeling fresh and comfortable. Quick Dry Performance Technology moves moisture to the surface of the fabric, drying faster and keeping sweat away from your skin. Crew neck. Short sleeves. Straight hem. Made exclusively for Banana Republic Factory. Standard fit. Fuller cut in the chest and sleeves. Straight through the waist.