Abstract: In general a crib includes a first and second side that each have a first perimeter support having a bottom support portion, a first breathable material retained by the perimeter support, and a lateral support member that further supports the breathable material in a position within the perimeter support and attached to the perimeter support. The crib also includes third and fourth sides, wherein the first, second, third and fourth sides define an interior. The crib further includes a mattress support platform positioned in the interior and movable between a first position proximate the lateral support member and a second, lower position proximate the bottom portion of the perimeter support. The breathable material has an air permeability of between 385 CFM to 1530 CFM and a light permeability of between 47 and 99%.