The versatile Men's Riverbed Long Sleeve Shirt is made from Strech Fit fabric for complete mobility while out in nature. Finished with revolutionary technology which repels insects such as mosquitoes and ticks from threatening your next outdoor adventure. The ideal companion for your next overnight camping trip, fishing getaway or multi-day hike.95% Polyester 5% SpandexFourway Stretch fabrication for complete freedom of movementOdourless insect repellent finish (lasts up to 100 washes)Triple fold-out collar for additional sun protectionOne zip secure pocket to store essentials such as car keys or cellphoneRoll-up sleeve tabs for ease of adjustment depending on the weatherUPF 30 sun protection