Karrimor vinson down jacket mens this karrimor vinson down jacket is constructed using some of the finest yarns available with the optimum thread count pertex quantum has an extremely light yet dens weave construction the biodown anti microbial down successfully prevents microorganisms and bacteria build up on the fill that can add weight to untreated down causing it to lose loft and create unwanted odours the treatment retains volume and imparts a durable freshness for extended use in cold