HD® Wool is the leading supplier of traceable, natural and renewable wool insulation for apparel. We blend science and nature together to provide a planet positive replacement for synthetic and down garment insulation, sourced through The Woolkeepers®. This is the first model of British regenerative wool committed to supporting producers with a new route to market. HD® Wool is accelerating the growth of regenerative wool by providing brands with regenerative sourcing solutions and consumers with dynamic buying choices.