Minimalist insulation for warmer days - versatile, breathable warmth. Ideal for multitude of active summer pursuits, from rock climbing to trekking.

The Atom SL Vest delivers minimalist warmth appropriate for higher output and milder conditions. A lightweight Tyono™ 20 shell delivers durability and wind resistance, and the Coreloft™ Compact insulation is compressible, dries quickly and allows airflow. Lightweight air-permeable fleece side panels provide ventilation with thermal performance. Composite Mapping is used to place materials and insulation in the areas that provide maximum benefit.

Ideal for a multitude of active summer pursuits, from rock climbing to trekking. The Atom SL Vest features the lightest weight Coreloft compact synthetic insulation. Designed to dry quickly and retain warmth in humid and wet conditions, the vest's unique hybrid construction pairs a wind-resistant and DWR treated main body with air permeable fleece side panels for ventilation.

• Lightweight, durable Tyono ™ 20 face fabric balances wind protection with air permeable comfort
• Warm when wet and quick-drying Coreloft Compact 40 synthetic insulation at the core, provides essential warmth with less bulkiness
• Air permeable side panels help maintain thermal balance during activity
• Men's – 160g / 5.6oz
• Womens – 140g / 4.9oz

Check out the UKC review of the Atom SL Vest here.