The Gramicci G-Zero Primaloft Hat in Cola is a winter-ready mountain hat built from lightweight nylon and insulated with Primaloft®, a synthetic fill originally developed for the US military and prized for its warmth-to-weight ratio, so it keeps the cold out without weighing you down. Finished with a soft fleece lining for extra comfort. Also available in Indigo. Brand: Gramicci Style: G-Zero Primaloft Hat Colour: Cola Fabric: Lightweight Nylon Insulation: Primaloft® Details: Fleece lining Is this true to size? The G-Zero Primaloft Hat is one size, designed to fit most head sizes. How should I care for it? Spot clean only to protect the Primaloft® insulation and fleece lining. Browse the full Gramicci collection at Patina — based in Leicester, shipping across the Midlands and UK-wide. FREE UK Shipping on all orders over £70.