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 layerMesh under sleeves for ventilationAntimicrobial propertiesLightweight and soft360° stretch for comfort and freedomContour panels with ultra soft seamsMachine washable up to 30 degrees. The excellent foundation layer for bright sunny days for riding in hot weather.A 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. Quarter zip UV30+ cooling under layer with mesh under sleeves for ventilation Lightweight and soft with 360 stretch and antimicrobial properties Discreet LeMieux logo branding. Quarter zip UV30+ cooling under layer with mesh under sleeves for ventilation Lightweight and soft with 360° stretch and antimicrobial properties Discreet LeMieux logo branding Ultra soft seams with flat lock stitching