Marmot Women’s AirExchange UPF 40 Novelty Short-Sleeve Collared Shirt Review by Erin Trail The Women’s AirExchange UPF 40 Novelty Short-Sleeve Collared Shirt is Marmot’s camp shirt addition to their AirExchange line.  This shirt features tidy lines and a light weight + breathable fabric that lends itself towards a wide array of uses. Details UPF 40…