NWT Deuter Kid Comfort in Midnight Aircomfort Sensic Vario backsystem of airy, durable mesh is tensioned on a flexible spring steel frame resulting in maximum ventilation on 3 sides for 25% less perspiration Designed with an arched profile, the frame transfers up to 70% of the load seamlessly into the ergonomic hip fins for effective load transfer and energy efficiency Weight within the carrier is transferred perfectly due to flexible, movable Vari-Flex ECL hip fins and the Vari-Slide back length adjustment system Vari-Flex pivoting articulated 3D hip fins are concave, ultra-padded and made of multilayered, PE-stiffened foam to respond flexibly to the wearer's movements Pull-forward construction makes the hip belt easy to fasten and tighten even with heavier loads; 2 zippered pockets on hip fins Vari-Slide system provides exact and wide-ranging back length adjustment so both parents can comfortably carry the child Ventilated, perforated shoulder straps feature load-adjustment straps at shoulders and a height- and width-adjustable chest strap Safety harness system is easy to access and, thanks to color-coordinated buckles, easy to understand Height-adjustable child seat offers variable width for an ergonomic sitting position and height-adjustable foot rests Soft, cushioned, removable pillow and side support cushions gently support the head so naps can occur anywhere outdoors Includes sun roof, foot loops, and chin pad. Rain Cover not included.