The Baby Jogger Foot Muff helps to keep your little one warm. The fleece lined Foot Muff fits perfectly into the seat of your Baby Jogger stroller and provides a warm cozy place for babies to relax. Suitable from birth to approximately 24 months. The Foot Muff is available in Red or Black. This model is not compatible with the City Select - please order the Foot Muff specific to the City Select for an exact fit.