Foot zone of a mattress

A mattress comprising:

• a support layer comprising a plurality of support components grouped into a torso support zone, a seat support zone, and a foot support zone,
• a cover surrounding the support layer,
• wherein the foot support zone comprises a first air bladder layer having a first plurality of generally vertically oriented can bladders, a second air bladder layer situated beneath the first air bladder layer and having a plurality of generally horizontally oriented air bladders, and a foam layer situated beneath the second air bladder layer, the foam layer having a foam member with portions cut out to allow for the retractability of the foot support zone, and
• a control unit including a housing, a controller carried by the housing, and an air supply including a first portion operably coupled to the controller to provide high volume, low pressure air to a first interior portion of the mattress, and a second portion operably coupled to the controller to provide low volume, high pressure air to a second interior portion of the mattress, wherein the first portion of the air supply includes a blower and the second portion of the air supply includes a compressor.