Macpac Men's Nitro Fleece Pullover

A versatile mid layer for days in the mountains, whether it be climbing or other activities, this light active insulation will help to keep you warm. Made from Polartec Alpha Direct - the same insulation that was originally made for the U.S. Special Forces when they needed an advanced insulating fabric in their combat uniforms - the Nitro offers pared back performance. An evolution of fibre, Alpha Direct eliminates the needs for a backing fabric and can be in direct contact with skin or other fabric layers, increasing breathability and reducing garment weight. Designed with alpinists and multi-sport athletes in mind, this minimalistic mid layer is warm and incredibly breathable.