Perfect for your little explorer out in cold weather, Stonz Puffer Baby Booties keep their feet dry & warm even in the middle of winter. The Stonz Puffer baby booties use 3M thinsulate to keep them cozy in temperatures as low as -20ºC. Easy to get on and off for any impromptu backyard play session, these soft-sole non-slip shoes are perfect for early walkers that still have wobbly steps. - Adjustable toggle closure that grows with them: the extra-wide opening with adjustable toggles ensures the perfect fit and all-day comfort, even as your baby grows. - 3M™ Thinsulate™ + water-resistant: Non-slip water-resistant soles and 3M™ Thinsulate™ keep their toes cozy and warm even if it’s -20ºC outside. Add the bootie liners for extra warmth! - All-vegan baby shoe: Stylish, functional AND safe for the planet? These booties have it all. - Machine washable: Because hand washing and kids don’t mix well, these can be thrown in the wash and they’ll be as good as new!