"The boxy fit is perfect for layering, and because it's so breathable, it doesn't get too hot in the summer." -Gearhead(R) Expert SammyBetween 14ers and backyard bonfires, we style the Backcountry Cotton Gauze Long-Sleeve Button-Down for our day jobs and coffee dates. The classic button-up silhouette layers over a favorite tank, and the super-light cotton fabric boasts breathability necessary for the summer.