Mammut's minimalistic, no-fuss short is a trail runner’s dream. The lightest and airiest in our collection, its breathable, 2-way stretch fabric is comfortable against the skin and extremely quick- drying to keep up with hot days and ambitious trainings. But don’t be fooled – while stripped to the essentials for the ultimate lightweight experience, practicality remains front-center with drawstring adjustment for the perfect fit, reflective details for your late-night adventures, and a zippered back pocket to securely stash valuables. Aenergy – the short that feels like nothing, to give you everything.