Always Ultra Thin pads features Rapid DRY, which absorbs 40% faster than the leading generic brand to help you stay clean and dry. Did you know that Always has five sizes so you can find your best fit? For up to 20% more coverage, move one size up. Choose the best protection based on your flow AND panty size with Always My Fit sizing system. Always Ultra Thin Size 4 Overnight Pads with Wings has a 45% larger back to help stop leaks at night. These pads have a Leak Guard Core that absorbs in seconds for up to eleven hours of protection, plus a flexible fit that moves with you while you sleep. vs. Always Ultra Thin Regular Pads with Wings.