Bose via Amazon offers the Bose QuietComfort 25 Acoustic Noise Cancelling Headphones for iOS in White for $169.95 with free shipping. That's $10 under our March mention and the lowest price we've seen. (It's also the best deal we could find today by $109.) They feature Bose Active EQ and TriPort technology, in-line remote and volume control, and folding earcups.
If you aren't using any of these three methods for significantly saving on laundry detergent, you are washing money down the drain.