Mountain Khakis Women's Size Chart Sprinklers kicking in the early morning, vintage cruiser bike between your legs, wind blowing your hair back... it's an early Saturday morning cruise, headed for a double Americano and the Farmer's Market. These are the summer mornings that inspired the Sunnyside Tank. Made from cotton and polyester chambray fabric. Features - Revised silhouette & fabric - Cut-out back with button closure - Lace trim - Pick stitch detailing - Side-seam split - 2.7oz 60% Cotton, 40% Polyester Chambray - Discontinued Style / Color