FLEECE LINING - these premium shoe covers are lined with fleece for added warmth NON-CORROSIVE METAL BUCKLES - our proven metal buckles have an adjustable fit to accommodate multiple shoe shapes ATS OVERSHOE ARCH - these versatile rain boots are constructed with an added layer of knurled rubber under the arch of the foot for traction and protection when climbing ladders OZONE & TEAR RESISTANT RUBBER - built with more natural rubber than most other boots, our hand-laid rubber remains durable and waterproof year after year CARBIDE & TUNGSTEN STUDS - high-traction outsole features carbide and tungsten studs for increased stability on snow and ice