Evenflo Sonus Convertible Car Seat Tugule Evenflo Sonus Review Evenflo Sonus convertible car seat, Babies & Kids, Going Out, Car Seats Evenflo Sonus Review: Our Economy Convertible Car Seat Pick for 2020. Keep your growing child safe and comfortable in Evenflo's Sonus convertible car seat. With a rear facing weight rating up to 40 pounds and a forward facing weight rating up to 50 pounds. your child can remain harnessed longer. For added comfort, this seat offers a built in ventilation system that provides a comfortable seat for your child through all seasons. Try this seat for a top notch extended use option at an affordable price. The Sonus Convertible Car Seat helps protect rear facing infants from 5 40 pounds, and forward facing toddlers from 22 50 pounds, extending the life and use of this full featured car seat In addition to meeting or exceeding all applicable federal safety standards, this car seat also passes Evenflo's comprehensive Side Impact and industry leading Rollover Test Standards The Sonus features a revolutionary air flow ventilation system that provides a temperature regulated, comfortable traveling experience regardless of the season or your climate Up front adjustment for easy access to harness, 5 shoulder strap positions for proper fit, removable pads for easy machine washing, 2 cup holders, and head pillow for support