With the Costa Vintage Fish C-Mask, you are expedition ready! Shop at Backcountry & Beyond to pick up your Costa face mask to #GoBeyond today. FEATURES: Up to 30 UPF Sun Protection Rating 100% Moisture-Wicking Polyester Microfiber. Measured flat the Costa Topo C-Mask is 10" wide by 20" long Machine wash cold. Line dry.