1 3/4" Peak Spring/Summer 55% ModAcrylic, 19% Recycled Polyester, 18% Acrylic, 8% NylonHeadband: 100% Nylon The Meltdown 507 by Kangol is new flat cap crafted from a 2-color combination of Bermuda and recycled Polyester yarns. Combined they create a high and low texture throughout the flat cap while the stripes appear as if they're almost falling off the style for a fun effect. The style is complete with a classic Kangol? Kangaroo logo in matching colors at the back of the head.