This new Atom SL Jacket from Arc'teryx is the lightest weight synthetic insulation layer in the Atom series.  Features include Coreloft™ stretch insulation in the chest and back, stretch fleece side panels, Fortius™ Air 20 denier outer fabric, uninsulated mesh-lined sleeves, and two zippered hand pockets.  Great as a lightweight insulation layer for summer or as and active insulating layer for cooler temperatures.  An extremely versatile layer that can be used all year round.

Details

• Fortius™ Air 20 Denier Recycled Outer Shell Fabric, 88% Nylon / 12% Elastane
• FC0 Water Repellent Finish
  
• 100% Polyester Coreloft™ Stretch 40gsm Synthetic Insulation in Chest and Back
• Octa™ Fleece Side Panels.  100% Polyester.  40D Delta Face, 122gsm
• Recycled 20d Nylon Plain Weave Weft Stretch Lining Fabric, 88% Nylon / 12% Elastane
• Uninsulated Mesh-Lined Sleeves
  
• Full Length No Slip Zip™ Front Zipper with Chin Guard
• Two Zippered Hand Pockets
  
• Stows in Pocket
• Dual Adjustable Hem Drawcords
• Articulated Elbows
• Gusseted Underarms
• Fitted
• Moisture Resistant
• Wind Resistant
• Lightweight
• Breathable
• Compressible and Packable
• Ultralight
• Abrasion Resistant
• Made in Bangladesh
• 7.2 oz (205 g)