My First Mucks: The Easy-On Baby Muck Boot Putting booties on a baby has never been easier. My First Mucks are the perfect solution for keeping little feet warm and dry. The innovative hook and loop construction allows for a custom fit, while the soft neoprene bootie wraps snugly around tiny feet. No more struggling to get those little toes in place. My First Mucks: The Easy-On Baby Muck Boot Putting booties on a baby has never been easier. My First Mucks are the perfect solution for keeping little feet warm and dry. The innovative hook and loop construction allows for a custom fit, while the soft neoprene bootie wraps snugly around tiny feet. No more struggling to get those little toes in place. .