The new Bugaboo High Performance Footmuff has two detachable covers so you can be ready for each season. There is a Spring to Fall cover with polyester padding and a Winter cover with duck down filling. Features: Both covers can be opened with the 2x2 way waterproof zipper at the foot area for ventilation, dirt protection and easy cleaning. water- and oil-repellent and is breathable and windproof adapts to the different seasons with its 2 detachable covers protects from dirty feet with dirt shield inside easy attachment with the new velcro® slit openings compatible with all Bugaboo strollers