Developed for the Swedish military, Woolpower merino wool clothing was born in 1972 with one thing in mind: keep soldiers warm & safe. Harsh conditions and limited resources proved to be critical factors threatening a soldier's survival in the depths of winter. Woolpower worked together with soldiers, scientists and manufacturers to develop a garment that conquered these obstacles. A premium thermal layering system was born. Still today, Woolpower procures only premium merino wool from Patagonia to guarantee garment performance. Woolpower-responsibly made in Sweden. Find us on gsaadvantage.gov (less)