Supplemental Foundation Layer (SFL™) Size:Twin XL while offering the support of

while offering the support of natural rubber

our SFL™ is required on all box springs and on wood slat foundations with spacing between the slats greater than 1”

Depth: Approximately 10"

The eight-inch tall pocket-coil support system is thoughtfully made from natural

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

Supplemental Foundation Layer (SFL™) Size:Twin XL while offering the support ofThe 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