This wrinkle-resistant, lightweight performance fabric offers UPF 40+ sun protection and dries quickly. Making it ideal for travel, its design is enhanced with thermo-regulating TempraTech?? powered by HeiQ's SmartTemp?? and features Insect Shield?? technology.. . 2.4 oz. 100% Polyester. Fabric: Expedition Stretch with TempraTech??? + Insect Shield??. Combats high heat and humidity with max sun protection. Insect Shield?? repels insects, including those that can carry Lyme disease, Zika, and other insect-borne diseases. TempraTech??? thermo-regulation mesh under the upper-back ventilation panel has ultra-wicking fibers to keep you dry and cool. Three chest pockets 794691255350 32178500024 42199