Mountain Hardwear AirMesh Hoodie Women's M size I am selling this item to organize my outdoor gear. I haven't had the opportunity to use it. I've worn it 2-3 times. It's equivalent to a men's S size. Gender: Women's Features: Breathable, Warm/Cold Protection, UL/Ultralight, Octa This is a hooded long-sleeve shirt that is lightweight, compact, and can be used as a layering piece throughout the year. Mountain Hardwear, a brand that meets high-performance needs. Mountain Hardwear always incorporates cutting-edge technology to support those who take on activities at a higher level. Features [International Size] This is a hooded long-sleeve shirt that is lightweight, compact, and can be used as a layering piece throughout the year. It uses 100% Teijin "Octa," a special polyester material with a loft and heat retention that is half the weight of ordinary fibers. It can be used in a variety of ways, such as wearing it alone when climbing or as a mid-layer on ridgelines. ● Ventilation mesh processing with a brushed lining provides both excellent breathability and heat retention. ● Side seams designed to prevent chafing. ● With thumbholes Octa A polyester fiber with an octopus-leg-shaped cross-section, with eight protrusions arranged radially on a hollow yarn with holes. It has various functions such as moisture wicking, quick drying, lightweight, heat shielding/insulation, and bulkiness, exceeding conventional hollow yarns.