The All Season Firm Premier Fibre Down Alternative Pillow is also a good choice for those with allergies or asthma. The pillow is hypoallergenic and contains no feathers, which are a common allergen. The pillow is also machine washable, which makes it easy to clean and keeps it fresh. The pillow is also great for those with asthma, as it does not release feathers or other allergens into the air.