The REI Piggyback child carrier is all about parents and babys comfort. Our deluxe child carrier offers a secure, smooth ride on- and off-trail with a comfortable suspension system. Adult and child suspension systems feature curved, padded shoulder straps and hipbelts, lined with brushed polyester for moisture-wicking comfort. Pack features a padded back panel with breathable mesh lining for increased air circulation. Childs padded back panel features a breathable mesh cover with soft brushed polyester lining on the seat, sides, head and lumbar pads. Adult suspension system has a quick torso-adjust with embroidered letters for easy-to-remember slots when switching between tall and short parents. Childs seat and harness have multiple adjustments to fit a variety of sizes and to accommodate childs growth. Fold-out kick stand aids in loading and wont pinch if little fingers get in the way. Zip-off daypack for parent or older sibling features an insulated baby bottle pocket along with pockets for toys, snacks and extra clothes. A rearview mirror is tethered to shoulder strap letting Mom or Dad see baby without removing the pack. Generous reflective trim for visibility in low light and night time. Carrier features a hydration sleeve holding up to a 70 oz. reservoir sold separately to keep adults hydrated when on the go. Material is removable for easy cleaning. REI Rain Bonnet sold separately attaches atop carrier to shield child from rain, sun and wind. For more storage capacity attach the REI Diaper Bag sold separately which holds enough bottles, diapers, toys and clothes for a days outing.