Patented Lace-Up Crossover and stress-relieved design shoulder straps to ensure maximum support, preventing back pain and sore shoulders. M design seating certified by the International Hip Dysplasia Institute to fully brace baby’s legs and hips. One fits all, adjustable to fit baby at all stages and adults of a wide range of body types. Temperature-regulation lining adopting the German clima fiber to absorb excessive body heat. Antibacterial-zinc oxide element and skin touch-Tencel fabric give you and the baby ultimate comfort and protection. 1 second change to the side carry position to allow the baby explore the world while interacting with the parent.