The crew neckline with a mesh insert is what sets IBKUL's Solid Long Sleeve Mesh Crew Neck UPF50+ Sun Shirt apart from the rest of the IBKUL lineup, giving you a sportier, more relaxed feel without sacrificing any sun protection. The IceFil cooling fabric uses two-way air circulation to actively cool the body, and the UPF50+ rating blocks over 98% of UVA and UVB rays through a round of golf, pickleball, a morning walk, or any long stretch outdoors. 92% Nylon / 8% Polyurethane. Mesh: 80% Nylon / 20% Spandex. UPF50+ fabric blocks UVA and UVB rays. IceFil technology with two-way air circulation lowers body temperature by up to 5 degrees. Quick-dry and anti-microbial properties. Long sleeves with mesh inner arm panels for additional ventilation. Crew neckline with mesh insert. Curved hemline. Center back length: 24 inches. Machine wash cold, tumble dry low or air dry. Made in Indonesia.