Whether you're warming up for a race or just trying to keep your muscles warm to avoid training injuries, the Salomon Men's Drifter Air Shorts provide lightweight insulation. Primaloft synthetic insulation traps in heat even if it gets wet, to keep your hips and quads warm during snowy activities. Pertex Quantum Air fabric resists wind while maintaining impressive breathability, and when it's time to race, the full zip design lets you easily remove the shorts, even if you're wearing skis.