Muck ROVER boots kids size 4 Description Product Description Designed for trekking through the woods with Mom or Dad, Muck Rover ll Kids' Rubber Boots feature 100% waterproof rubber and neoprene construction that is flexible for long hours of walking comfort. Designed for three-season use, these kids' rubber boots are comfort rated from subfreezing to 65 °F/18 °C. A breathable mesh lining wicks moisture away from feet, keeping them cool and dry. The self-cleaning diamond outsole on these waterproof boots releases fine rocks and mud before they enter the house. Reinforcements at the toe and heel help to resist wear and tear, extending the lifespan of these kids' boots so they can be passed down to younger siblings.