Keep cool and dry with the LeMieux Halle Lightweight Base Layer, crafted from soft lightweight material, featuring mesh underarms to help regulate your body temperature along with UV30+ sun protection and antimicrobial properties, perfect for keeping you comfortable when you have a busy day at the yard or riding. UV30+ quarter zip active base layer Mesh under sleeves for ventilation Antimicrobial properties Lightweight and soft 360° stretch for comfort and freedom Contour panels with ultra soft seams Machine washable up to 30 degrees. This featherlight UV30+ cooling underlayer with antibacterial qualities is your new best buddy for staying cool when the heat is on. Mesh under sleeves provide additional ventilation. Crafted from ultra-lightweight and silky fabric with 360 flexibility, the LeMieux logo is discreetly branded to add a touch of refinement.