Details Always warm, breathable and wind resistant, worn as a midlayer or standalone - the Men's Atom Heavyweight Hoody from Arc'teryx is one of the brand's most versatile insulation pieces. Its Coreloft™ synthetic insulation is efficient, effective and resilient. Mapped for optimal performance, it works well even if wet. The lightweight, wind resistant and water repellant Tyono™ 30 shell is treated for extra durability, and Permeair™ panels under the arms add ventilation. The insulated, helmet compatible hood adds warmth and protection. Material Face fabric: water resistant Tyono™ 30 is designed with extra durability, and Permeair™ 20 panels under the arms add ventilation DWR (Durable Water Repellent) finish repels moisture Wind Resistant Insulation: Coreloft™: Man-made insulation with quick dry times, durability and retains warmth when damp. Fit Regular Fit: cut comfortably throughout the chest, waist, hip, and thigh. It allows freedom of movement, provides shape, and layers comfortably over Arc'teryx first layers. This model's fit has evolved. Details Arc'teryx Atom series: Versatile synthetic insulated mid layers with a high degree of weather resistance. Multi-Use: Versatile high performance designs for diverse activities and conditions. Hem Configuration Drop back hem Adjustable hem drawcord Cuff Configuration Stretch-woven cuffs Cuff construction increases durability, eases layering and removal Pocket Configuration Two hand pockets with hidden zippers Internal chest pocket with zip Zipper Configuration Corded zipper-pulls reduce noise and are easy to grab No Slip Zip™ front zipper Activity: All Round Weight 266g / 9.38 oz Arc'teryx Atom Heavyweight Hoody Men's