OUR FIRST 50/50 BLEND TEE IS THE LAST ONE YOU'LL EVER WANT. BREATHABLE AND COOL, THE KEEPER IS MADE TO LIVE WITH YOU. AND LIVE BETTER OVER TIME. VINTAGE 50/50 50 PERCENT COTTON, 50 PERCENT POLYESTER 4.4-OUNCE BOUND COLLAR TONAL STITCHING ON NECK, SLEEVES AND HEM BLIND STITCHING ON SLEEVE AND HEM TEAR-AWAY TAG.