The Royal Robbins Amp Lite II Short Sleeve performance woven shirt is available in patterns and heathered solids. Its recycled polyester fabric is equipped with four-way mechanical stretch for freedom of movement. This shirt is a favorite for hiking, biking, and paddling. Mosquito Protection Technology provides chemical-free mosquito protection that will not wash or wear away. Uses a tight-weave engineered fabric that acts as a robust barrier to mosquitoes. Equipped with HeiQ Smart Temp thermoregulating technology, breathability, moisture-wicking properties, and wrinkle resistance. Bluesign-approved recycled fabric: materials and production minimize the impact on people and the planet. Regular fit and pull-on style. Fold-up collar and short sleeves. Drop-in patch chest pocket. Buttoned front closure. Back pleat, side slit, and underarm gusset for mobility. Hidden eyeglass wipe inside front hem. 100% recycled polyester. Machine washable. Imported.