Montane Women’s Apparel Clothing Phoenix Jacket – Woman’s-Black-Small FPHJABLAB4. Pertex Quantum ECO material provides a breathable yet lightweight wind protection. Articulated arms let you move freely when climbing or hiking and the insulated hood is designed to be worn under a climbing helmet. Micro baffle construction adds to this flexibility with a close body fit. With all these great features this is sure to become a favorite piece of gear on your next climbing adventure.