This Big One Gel Memory Foam Pillow which drops from $49.99 to $24.99 to $19.99 with code HAYSTACK20 at Kohls.com. This is our lowest mention since April for this pillow, which is highly reviewed and is designed to improve neck alignment for side sleepers. Shipping is free at $75, otherwise it adds $8.95 (you can also check your zip code for free store pickup). Sales tax is charged in most states.