Indulgence 5 Season Sleep System The comfort and warmth of the world renowned Nash twin removable zipped duvets, available in a format to suit everybody, from the versatile SS3 to the Emperor for ultimate session comfort. USB connectivity and underside power pack pocket for all weather charging of smart devices Extended, adjustable lumbar support Smooth nylon underside to duvets for snag free movement when sleeping Inner body baf?es for improved heat retention Heavy duty crash zips with anti snag baf?es Fast fit elastic toggles for Pillow, Shrouds and Mattress Sheet Single support leg behind head of SS3 Single support legs at head and base of SS4 Four pairs of legs on Emperor 5 Season Enlarged hinge mechanism with twin compression straps for ?at transport New improved spring loaded leg assembly with one touch adjustment Mesh valuables pockets on both sides of the frame