This Ergobaby Alta Hip Carrier is a 2-in-1 ergonomic baby carrier and hip seat that adapts from newborn to toddler use (suitable from 4 months to 4 years, 5.5–22 kg). Switch easily between a full-featured carrier with four carrying positions — inward-facing, outward-facing, hip and back — and a quick hip seat for fast ups and downs during busy days. A wide, padded waistband reduces back strain while the hip-healthy "M" leg position supports natural hip development recommended by the International Hip Dysplasia Institute (IHDI). Breathable ventilated mesh and 100% polyester construction keep caregiver and child cool and comfortable on warm outings. Lightweight, durable design simplifies everyday adventures and includes the Ergobaby ErgoPromise lifetime warranty for dependable long-term use.