Arc'teryx Atom LT Insulated Hoodie - Men's As versatile as your adventures are varied, the men's Arc'teryx Atom LT Insulated hoodie with Coreloft™ Compact 60 insulation has been redesigned for better durability, resilience, comfort and fit. Warm and lightweight, Coreloft Compact 60 insulation resists packing out, so loft and performance are retained over time Updated Tyono™ 20 face fabric has enhanced abrasion resistance and elevated protection from wind and moisture; a durable water repellent (DWR) finish sloughs off light rain Highly breathable Dope Permeair™ 20 liner helps regulate temps during higher output activity; Dope dye process uses considerably less resources than traditional dye processes Improved side panels offer increased durability, resisting wear and pilling while providing stretch, performance and breathability Adjustable, insulated, low-profile StormHood'™ with structured mini hood brim helps to minimize wind chill and provide protection in light rain No Slip Zip™ main opening, zippered hand pockets and internal zippered chest pocket with custom thermoplastic polyurethane zipper pulls Improved cuff design increases durability and eases layering and removal Dual hem adjusters let you get a snug fit to keep warm air in