Arcteryx says about the Atom Heavyweight Hoody Men's
Light, durable and wind resistant Tyonoâ„¢ 30 has a dura coating for increased longevity; DWR finish repels moisture | Resilient Coreloftâ„¢ synthetic insulation is mapped for optimal thermal performance | Insulated helmet compatible StormHoodâ„¢ with structured mini hood brim | Permeairâ„¢ 20 underarm improves breathability | No Slip Zipâ„¢ main opening, zippered hand pockets, internal zippered chest pocket with custom TPU zipper pulls | Improved cuff construction increases durability, eases layering and removal | Adjustable hem seals out cold