White Spider Rubber sole provides unbeatable traction on slippery surfaces; Waterproof upper materials can handle getting wet; Seam sealed to keep you dry; T.I.D.E Comfort; Super light EVA foam is waterproof and insulative to keep you warm and dry; Removable boot liner can be washed to keep your boots fresh; 250g of 3M Thinsulate, LiteLoft, insulation feels like a sweater for your feet; Leg Height: 8'' approx; Leg Opening Circumference: 12.5'' adjustable; With 250g of 3M Thinsulate, insulation in its removable liner and waterproof shell materials, the Chair 5 Boots don't sacrifice any warmth and are half the weight of other winter boots. These handy boots will compress down to the size of any normal shoe meaning they won't take up all the space in your suitcase.