The first down layers of the AMK system is the L3 Pullover Hoodie (RRP £630) featuring the all-new 50/50 Down technology. Made from 1000 Fill Pro-Down, this layer was built for ultra-packable, lightweight insulation that allows for increased airflow during aerobic activity in extreme environments. The AMK L3 Pullover Hoodie also features a metalized fabric finish for increased thermal performance with minimal weight.