Covered Mattress Cores
Our natural rubber covered cores can be used to soften a mattress, XSoft or Soft, to create a trundle or guest sleeping surface Firm, XFirm, or Super Firm, or can be combined to create an inexpensive mattress setup. Just combine 2 or 3 cores to make your bed just like you want it. We recommend a soft top and a firmer base. Each core is covered in our organic cotton muslin fabric. You can buy a separate organic cotton cover to put your cores together or you can just buy these cores and put a sheet on top.
Full 3" FRM Core w/Zip off Cover
Full  Firm 3" Rubber Core with organic cotton zip off outer that is spot clean only.
Price: $687.00
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Full 3" XTRAFRM Core w/Zip off Cover
Full  XTRAFRM 3" Rubber Core with organic cotton muslin zip off outer)outer is spot clean only).
Price: $687.00
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Full 3" XS Core w/Zip off Cover
Full  XtraSoft 3" Rubber Core with organic cotton  zip off outer that is spot clean only.
Price: $687.00
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Covered King F Core w/zip outer

3" King Firm Rubber core with organic cotton muslin zip cover.
Price: $911.00
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Covered King XF Core

3" King XtraFirm Rubber core with organic cotton muslin zip cover.
Price: $911.00
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3" King xtrasoft core w/zip

3" King Rubber core with zip off organic cotton muslin cover
Price: $911.00
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Queen 3" Firm Core w/zip cvr

3" Queen Firm Rubber Core with organic cotton zip off cover.
Price: $714.00
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Queen 3" Xtra Soft core w/organic cotton zip cvr
3" Queen Xtra Soft core with zip on outer.
Price: $714.00
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Queen 3" XtrFirm w/ zip cvr

3" Queen Xtra Firm Core with zip off organic cotton  cover.
Price: $714.00
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Half Queen 3" Firm core w/terry zip cvr
Half  Queen 3" Firm Chemical Free Rubber Core with zip on organic cotton terry cover - spot clean only.
Price: $456.00
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Half Queen 3" Xtra Firm core w/terry zip cvr
Half  Queen 3" Xtra Firm Chemical Free Rubber Core with zip on organic cotton terry cover - spot clean only.
Price: $459.00
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Twin 3" Xtra Firm Core w/zip cover

Twin 3" XtraFirm Core covered with organic cotton muslin zip off outer(zip off cover is not washable)
Price: $464.00
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Twin 3" Firm Core w/zip cover

Twin 3" Firm Core covered with organic cotton muslin zip off outer (zip off outer is not washable)
Price: $464.00
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Twin 3" XTRASOFT Core w/zip cover

Twin 3" XtraSoft Core covered with organic cotton muslin zip off outer (zip off outer is not washable)
Price: $464.00
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Twin XL 3" XtraFirm Core w/Zip Cvr

Twin XL  XTRAFRM 3" Rubber Core with organic cotton muslin zip off outer)outer is spot clean only).
Price: $536.00
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Twin XL 3" Firm Core w/Zip Cvr

Twin XL  FRM 3" Rubber Core with organic cotton muslin zip off outer)outer is spot clean only).
Price: $536.00
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Cal King 3" Firm Core w/zip off cover

Cal King Firm 3" Rubber Core with organic cotton muslin zip off outer that is spot clean only.  Easier to handle cores.
Price: $911.00
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Cal King 3" Core w/zip off cover

Cal King XtraSoft 3" Rubber Core with organic cotton muslin zip off outer that is spot clean only.  Easier to handle cores.
Price: $911.00
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Cal King 3" XF Core w/zip off cover

Cal King Xtra Firm 3" Rubber Core with organic cotton muslin zip off outer that is spot clean only.  Easier to handle cores.
Price: $911.00
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