As one of its daily deals, Amazon via Woot discounts a selection of Simmons Curv 3" Flat Gel Memory Foam Mattress Toppers, as listed below. Shipping adds $5. Each topper features memory foam infused with cool and supportive gel and Stay Fresh technology. Deal ends today. The sizes:

• Twin for $49.99 (low by $37)
• Queen for $89.99 (pictured, low by $45)
• King / California King for $99.99 (low by $67)