It offers a new last and cuff

including a large chest pocket to accommodate radios or larger phones

mid-volume 100mm last

we dialed up the comfort level with a system that micro-adjusts around your whole head

System: Light Shift

Mammut W Aenergy TR 2 in 1 Shorts Size:US 12 It offers a new lastMade to go the distance, these 2 in 1 shorts are perfect for long runs in the great outdoors. An unbeatable combo, the comfortable inner tight provides light support, active moisture management, and a stretch pocket for distraction free smartphone storage. The quick drying outer short adds 2 way stretch, waistband adjustment, and reflective detailing for visibility on those late night adventures. Trails already calling? Stash your gels in the waist