No bulk, innovative body panel. Adjusts in three width settings and two height settings to allow for an ergonomic snug position from newborn, infant and early toddlerhood Adjustable, padded shoulder straps. Provides optimal neck & shoulder comfort and offers quick and easy adjustments for multiple wearers  Breathable & lightweight material. Responsibly designed and made with care from soft and breathable 100% cotton certified according to STANDARD 100 by OEKO-TEX®  Multiple ergonomic positions. Back carry and front carry options to provide a natural, ergonomic position best for long term, comfortable carrying that promotes healthy hip and spine development for baby  Easy-to-adjust design.Multiple adjustment capabilities to find your perfect fit as baby grows. Can be used from 3,2 - 20,4 kg, no infant insert required