This Voksi City North sleeping bag combines natural wool and premium down to keep baby warm and dry through autumn and winter. Wool in the back helps regulate temperature while a soft 100% cotton interior creates a cozy place to rest. A unique box construction and high-loft filling (80% down, 20% feather) trap air for excellent insulation, and a windproof 100% nylon shell with a minimum 8000 mm water column plus BIONIC-FINISH®ECO provides reliable water repellency in light rain. Harness compatible with a 5-point system and designed to fit all strollers, this sleeping bag makes outdoor naps simple and comfortable.