W's PeakWool Midweight Half Zip Guidebook Its sleek silhouette and ponytail

Its sleek silhouette and ponytail opening make it easy to wear under a hood or even a helmet

This midweight local's choice features extra cushioning for comfort and mesh panels to support airflow and limit foot funk

the updated optical efficiency not only provides brighter light with more peak intensity

whether in training or in competition

All Mammut avalanche probes are UIAA certified for efficient rescue

W's PeakWool Midweight Half Zip Guidebook Its sleek silhouette and ponytailThe Basis Midweight Merino Half Zip is unlike any other when it comes to go to baselayer warmth and breathability on the chilliest days. Built with a proprietary textile developed exclusively for Stio that interweaves merino wool with synthetic filaments, this half zip offers stretch comfort and serves as both an extra layer during cold lift laps or on its own for off season trail runs.