From UPPAbaby, this footmuff features: Soft, cozy fleece lining provides substantial warmth against the elements Full coverage neck warmer and adjustable hood keep the baby warm and comfortable Zip out extension for growing children; RumbleSeat compatible with extension zipped up Hood rolls over the back of the stroller and out of the way when not in use Neck warmer folds over bumper bar using magnetic snaps to connect when not in use Windproof and water-repellent material protects the child from cold weather conditions The interior foot barrier is ideal for restless legs and messy footwear Comfort Rating of -5F/-20C – Comfort Rating refers to the lowest temperatures your child will be comfortable in when wearing one layer of clothing Easy, quick attachment using hook and loop slots and grips to prevent sliding once in place Machine washable Compatible with all Vista, Cruz, Ridge, Minu, G-Series, and RumbleSeat models Imported.