Marmot Ether Boys' Lightweight Hooded Windbreaker Jacket, Vintage Navy, X-Large FeaturesMesh underarm vents for temperature regulation; elastic cuffs provide secure fit and block draftsBuilt-in Angel-Wing Movement design allows for full range of mobilityZippered chest pocket offers convenient storageLightweight boys' hooded windbreaker jacket is great for everyday use on school days and weekend trips to the trailsWind-resistant/water-repellant/breathable DWR coating and DriClime bi-component lining; attached hood can be rolled up when not in use .