Coreloft insulation warms a compressible, mid-layer, wind- and moisture-resistant jacket that essentially feels like you're wrapping yourself in a cozy, lightweight sleeping bag. Stretchy, breathable Polartec Power Stretch fabric lends mobility to the gusseted underarms and side panels, while an elasticized hood, stretch-knit cuffs and a soft, brushed-lined collar enhance comfort and protection in cold-weather conditions. Brand: ARCTERYX. Style Name:Arc'Teryx 'Atom Lt' Trim Fit Wind & Water Resistant Coreloft Hooded Jacket. Style Number: 832998_1. Available in stores.