The Aerotherm Jacket from Mountain equipment is a complete windproof and fast drying lightweight layer with added warmth ideal for hiking and running in the high mountains. With a super light EXOLITE 45 double weave stretchy soft shell fabric and a moisture wicking micro-grid polyester lining to promote temperature regulation, this versatile layer keeps out the wind whilst still offering a little warmth in exposed situations. Drying rapidly after the ascent, the Aerotherm is a jacket you can keep on in fast changing conditions and it feels lovely and soft with a next-to-skin comfort.The Aerotherm jacket features an adjustable mountain slim fit hood with rolldown storage and the Mountain Equipment's 'Active Fit' allow the jacket to sit closer to the body to suit multiple mountain activities. There are two zipped hand pockets and one Napoleon chest pocket for storage, ideal for smaller items. The hem features dual tethered drawcords for perfect adjustment, and the entire jacket packs down into the pocket, which has twin carabiner loops to hook it to a pack. Elasticated cuffs ensure warmth isn’t lost and you allow you to easily fit a glove underneath. Mens Aerotherm Jacket