・For cool days or aerobic treks in the cold insulation without breathability can turn your hike into a soggy mess. The Atom LT Jacket functions as an o ・Trim Fit is a motion-friendly cut with reduced fabric for minimal bulk. ・LT: Light Weight blends highly effective tech with lightweight minimalist cut. ・Tyono&trade 20 fabric:• Lightweight nylon taffeta offers durable breathable performance.• Mechanical stretch for improved mobility.• DW ・Polartec® Power Stretch® with Hardface® Technology side panels:• Polartec fleece features a brushed back for warmth retention and active ・Coreloft&trade Compact Insulation:• Compact performance offers light insulation with low bulk.• Compressible multidenier polyfill is silicon ・Stand collar with zipper garage. ・Full zip with inner draft flap.