Supplemental Foundation Layer (SFL™) Size:Queen they're free of dyes or

they're free of dyes or synthetic components

and side sleepers find the full loft most comfortable

The center chamber is filled with 100%-natural shredded rubber latex to allow for sleepers to move the latex and shift it into the perfect sleeping position

Start with one of our tried-and-true configurations or build your own

Finished in our naturally beautiful and luxurious ivory knit

Supplemental Foundation Layer (SFL™) Size:Queen they're free of dyes orThe Supplemental Foundation Layer (or "SFL") is a coconut coir mattress pad made of natural coir fiber, encased in GOTS certified organic cotton fabric. The SFL pairs well with your existing frame or foundation to help ensure additional and proper support of your mattress. Twin (38x75") Twin XL (38x80") Full (54x75") Queen (60x80") Eastern King (76x80") Cal King (72x84") *Eastern King will be shipped in 2 pieces each measuring 38"x80" Imported The SFL