Our lightest ever bed! The duralite magnesium alloy construction makes bed ultra-lightweight yet very strong and benefits from the same ‘fold over’ lumbar support system. One-touch Spring-Lok leg mechanisms and 3D mesh upper mattress and polyester base to reduce weight and aid air flow. Mattress benefits from high density foam topped with hollowfill, which gives you a firm mattress with a soft touch and outer perimeter of mattress is styled in unique Fox Camo and uses a firmer foam to reduce the compression on the bed frame. 6 leg design - 2 x double legs on central section plus single legs in the centre of the frame at both the foot and head sections and completely flat profile frame with double hinges. Velcro Strips on the central underside of the mattress for use with all Fox Bedchair covers. Sleeping bag connection zip on the underside of the mattress to allow the Duralite Sleeping Bags to be swapped between seasons with two side tension straps for compact pack down even with sleeping bag attached. Benefits from 7 Core Hollow Fibre filling, which is silicone treated to help maintain shape and expand fibres and offset panel stitching allows warm air to be retained inside bag for longer. Hot foot pocket design– zips stop short of the foot end to create a thermal pocket around your feet. 3 Season rating - polyester mid-section on base layer to allow easy movement whilst a fleece foot and head section give added warmth and comfort and whole of top layer is micro fleece for maximum warmth and comfort. 5 Season rating has a micro fleece base layer and sherpa fleece top layer for ultra warmth.