Thermoball Insulated Jacket – Men's

When temps drop and pack space is tight, the Thermoball is our go-to insulated layer for cold-weather runners and hikers who need warmth without bulk. Synthetic ThermoBALL clusters mimic down loft to trap heat even when wet, so a damp Southern morning won't leave you cold. It packs into its own pocket — easy to stash mid-run.

• ThermoBALL synthetic insulation retains warmth even when wet — reliable in humid Southern conditions where down struggles
• Lightweight and packable — stuffs into its own chest pocket for easy storage on the trail or in a pack
• Full-zip construction with secure pockets keeps essentials accessible and protected from wind and chill
• Built for active use: layering piece under a shell or standalone jacket in mild cold
• Available in TNF Black — a versatile colorway that pairs with any kit and hides trail grime