300-thread count SOFT: Filled with 7/15/7-9/20/9 oz. in a 3-chamber design. The inner chamber is filled with feathers for support and volume. The two outside chambers are filled with large cluster white goose down. Perfect for stomach sleepers MEDIUM: Filled with 7/21/7-9/26/9 oz. in a 3-chamber design. The inner chamber is filled with feathers for support and volume. The two outside chambers are filled with large cluster white goose down. Perfect for back sleepers.