Advance Boots - Black/Hi-Viz - Size 11 3M Thinsulate* insulation for maximum warmth performance without the bulk;, Waterproof, Mobility for trail riders with good support and walkability, Insulation is protected from the elements inside waterproof membrane for maximum warmth efficiency, 12" tall, Rubber traction outsole for traction on and off the snow machine, Rubber molded overlay toe, heel and inside for added durability and abrasion resistance, High-loft fleece lining for added warmth and comfort, Removable insulated insole