"Warm clothing" refers to clothes that help keep you comfortable and cozy by providing insulation and protecting you from the cold weather. Full definition
When used in conjunction with warm clothing for your little one, this is a very cozy and snug carrier that will protect against cold temperatures well. (abckidsinc.com)
The wide cut allows for plenty of room for both a cloth diaper and extra layers of warm clothing underneath. (littlespruceorganics.com)
Be sure to bring warm clothing with you, night's can be incredibly cold at the high altitude, in winter the temperature can go below negative 30 °C. (southamerica.cl)