Can be worn as a standalone outer layer or as a mid layer on colder days, the Arc’Teryx Aptin Zip Hoody will help you brave the cold. The Polartec® Power Dry® fleece construction speeds up moisture transfer when you get and provides optimal temperature regulation during activity. A lightweight polyester fabric overlays the chest and arms for added wind and weather protection, while the hood provides additional coverage and warmth. The 3/4 zip design allows for an easy on off and helps to further regulate temperate by allowing you to quickly disperse heat as you heat up. Low profile thumb loops keep the sleeves locked in place.