HOUSÉ DÉ STAINS x OILSTAINLAB: RESEARCH & DEVELOPMENT Workshop armor for cold mornings and late nights. The R&D Wool Hat is not a basic blank. Cut from heavyweight premium melton wool, it is an engineered piece of equipment designed to trap heat during late-night fabrications and early morning shakedowns. It bridges the gap between high-end tailoring and raw garage utility. When the temperature drops, this is what you reach for. THE ARCHITECTURE The Material: Premium melton wool. Dense, heavy, and built for the elements. The Crown: Classic 5-panel camp crown configuration. The Visor: Aggressive flat bill. The Hardware: Premium leather back strap secured with a heavy brass closure for a mechanical, tactile feel. The Graphic: High-density OILSTAINLAB Research & Development embroidery dead center. The Fit: One size commands all. The Origin: Proudly cut and sewn in the USA. Note: Initial allocations are limited. Restock scheduled for the end of June.