Strafe Men's Aero Insulator Size:XXL Merino wool and Celliant combine

Merino wool and Celliant combine in the liner for increased warmth

0 and Friction Free Hinges give you incredible range of motion and stride efficiency for the uphill slog

It's compatible with traditional Alpine ISO 5355 A and GripWalk® boot soles ISO 23223 A

For the youngest racers who are not ready for the race stock models

Available in Round Contour Fit to better match rounder head shapes

Strafe Men's Aero Insulator Size:XXL Merino wool and Celliant combineWith ultra lightweight fabric inside and out plus space age synthetic insulation tech, the AERO INSULATOR is the most technically advanced layering piece Strafe makes. The PrimaLoft Gold insulation with Cross Core infuses NASA developed aerogel particles (composed of 95% air) into the fibers, providing an exceptional insulation barrier and warmth to weight ratio. This piece wont wet out and packs up pocket sized in your pack; and strategic pocket