Best Down Alternative Duvet Insert: Pottery Barn Hydrocool Comforter (Full/Queen) Best Duvet Insert For Hot Sleepers: Slumber Cloud UltraCool Comforter (Queen/Full) ...

In particular, the synthetic alternative gets this ... The Brooklinen Lightweight Down Duvet is one of the best-reviewed lightweight duvet inserts available today. Fine print: Down is ethically ...