Our most technical long sleeve top, the Women's Sol Cool Kaliani has UPF 50 sun protection, superior moisture management, and odor resistance for more wear and less washing. Sol Cool Xylitol treatment reacts with perspiration to create a cooling sensation when dampfor active cooling during hot-weather activities. Patented Silvadur technology delivers silver ions to the fabric surface and activates them in the presence of undesirables, helping eliminate odor and keeping you fresh for the life of the garment. Easy to pack up small in your daypack and pop on for sun protection, the Kaliani is your must-have performance tee for summer fun and outdoor adventures.