Best men's long down puffer coats

Top pick: Patagonia Tres 3-in-1 Parka. It's the one I'd trust in real cold: 700-fill recycled down in a weather-resistant recycled polyester shell, and the 3-in-1 build means a down liner plus a hardshell you can wear separately — so it covers wet snow, slush and milder days, not just deep freeze. It's the shortest of the group (thigh length), so it's the pick if you want maximum versatility over maximum coverage.

Who the others suit:

• Long Hooded Down Filled Puffer Coat (Donna Karan) — the best match for "knee-length": a long, hooded down puffer that keeps your legs warm on a commute or a walk in the wind.
• Ultra-Soft Long Down Puffer with Detachable Hood — for someone who wants the long silhouette but prefers a softer, less technical look; the removable hood makes it easier to dress up.
• Hooded Belted Hybrid Down Puffer (Karl Lagerfeld Paris) — the most styled option: belted waist, hood, down fill, good for city wear where you still want shape.
• Adler Down Puffer Coat — a step up in finish and price; worth it if you want a dressier long down coat for work and evenings.

If you want true below-the-knee coverage, go long; if you want one coat for everything from 20°F to 45°F, the Tres 3-in-1 is the safer buy.