The Fly Racing Aurora Boot utilizes 200g of thermal insulation in a moisture wicking removable inner liner to keep you warm and dry. Features: - 200g of 3M Thinsulate™ thermal insulation - Moisture wicking removable inner liner - Genuine leather upper for improved strength, durability, and wear protection - Reflective panels and logos for increased visibility and safety - Rubber sole for exceptional traction - Oversized padded boot laces for easy tightening - Triple stitched for extra durability - Padded boot insole for extra comfort - Smooth finished lace loops for extra seat protection