The Atom SL Hoody from Arc'teryx is the lightest weight synthetic insulation layer in the Atom series.  Features include Coreloft™ insulation in the chest and back, stretch fleece side panels, Tyono™ 20 denier outer fabric, uninsulated mesh-lined sleeves, a low-profile adjustable and stowable uninsulated Stormhood™, and two zippered hand pockets.  Great as a lightweight insulation layer for summer or as and active insulating layer for cooler temperatures.

Details

• Tyono™ 20 Denier 100% Nylon Outer Shell Fabric with FCO Durable Water Repellent Finish
  
• 100% Recycled Polyester Coreloft™ Compact 40 Synthetic Insulation in Chest and Back
• Stretch Fleece Side Panels.  93% Polyester, 7% Elastane
• 100% Nylon Dope Permeair™ 20D Lining Fabric
• Uninsulated Mesh-Lined Sleeves
• Low-Profile Adjustable and Stowable Uninsulated Stormhood™
• Full Length No Slip Zip™ Front Zipper with Chin Guard
• Two Zippered Hand Pockets
• Drop Back Hem with Adjustable Drawcord
• Articulated Elbows
• Gusseted Underarms
• Trim Fit
• 9.5 oz (269 g)