These men's black running trousers feature a next-to-skin fit without the squeeze and give you the warmth you need without sacrificing breathability or adding weight. Ultralight stretch fabric allows full mobility, while breathable mesh side and calf panels are ultra-durable and deliver superior ventilation. An encased elastic waistband with internal drawcord, Power Mesh hand pockets and internal pocket for your phone, and reflective details complete this garment.