The men’s trollveggen Thermal Pro jacket is Norrona’s most flexible – and one of their most popular – retro fleece jacket’s, designed for insulation as mid layer and standalone sweater. It’s made from Polartec®´s Thermal Pro® fleece fabric, which has an incredible warmth-to-weight ratio, stretches while maintaining its shape, and is durable. This stylish trollveggen zip-up has a high collar with a brushed chin guard for warmth, features a zippered chest pocket and lower hand pockets, and has integrated hand gaiters™.