Men's Lightweight Short Down Jacket — Business CasualWarm Enough for Winter. Sharp Enough for Work. The Men's Lightweight Short Down Jacket is the rare piece that bridges the gap between office ready and weekend casual. Thickened down fill keeps you genuinely warm through autumn and winter, while the clean short cut silhouette stays polished enough to wear over a dress shirt or under a coat. Lightweight construction means you get the warmth without the bulk. Thickened Down Fill Premium insulation