Ultralight and highly breathable: The Sky Tank for men is always on hand for trail running on warm days. To ensure you can give your all on the trails, you must feel good in your clothing. They simply can’t make you sweat more or stick to your skin uncomfortably. This versatile, minimalist Sky Tank with its air permeable, light fabric ensures long-lasting comfort and a good conscious with its sustainability: It is made 100% of recycled polyester and is bluesign certified. The Polygiene treatment prevents the buildup of unpleasant odors for a fresh feel from the first to the last step. Sky Tank – ready for a summer of running.