Look and feel your best this summer with this Working on My 6 Pack t-shirt! Its UPF50 rating will guard you against harmful UV rays. Plus, it's equipped with Dry Zone® technology to keep you cool and dry -- never needing to fret any unsavory sweat stains! All the while, you'll look your absolute best in its 100% polyester material. Pack it away, it's time to show off that 6 pack you've been working on!