Montane PRIMINO baselayer technology blends high performance PrimaLoft yarns and ethically sourced Merino wool, creating supremely comfortable and ultra-fast-drying innerwear for year round mountain use. The Women\'s Primino Long Sleeve T-Shirt is comfortable, warming and naturally odour resistant - the ultimate year-round active tee. Articulated arms for high reach movement, tailored specifically to prevent hem lift Tailored fit for next-to-skin comfort Low profile flatlocked sewn seams throughout for extra comfort UPF 50+