Outlast and outperform the competition with the TYR Durafast Elite® Men's Starhex Racer Brief! Durafast Elite® technology means it'll keep up with you in the pool - for 300+ hours - and its UPF50+ protection will shield you from the sun's UV rays! Plus, it's fully lined, chlorine-proof, and anti-microbial, so you can keep swimming strong and staying safe. Dive in!