Bogs Kids Classic High No Handles (Toddler/Youth)Man-made upper is 100% waterproof, warm and breathable.4-way stretch upper.Contains Aegis anti-microbial insoles that are breathable, anti-fungal and odor-resistant.Bogs Performance Outsoles are non-slip and non-marking with an all-purpose traction that releases mud and crud.Comfort rated to -30º F.Measurements:Weight: 1 lb 2 ozCircumference: 13 inShaft: 10 inProduct measurements were taken using size 11 Toddler. Please note that measurements may vary by size.