Constructed with durable 1.8mm to 2.0mm waterproof leather. A King Tex® waterproof and breathable membrane combines with sealed seams and gusset to provide comfortable waterproofing. Oil-resistant, molded rubber cup sole. #20 waterproof thread stitched throughout the boot provides further waterproofing. 1.8mm-2.0mm waterproof leather toe guard protects the left boot from wear due to motorcycle shifter controls. The boot collar is lined with Air Mesh material to increase airflow and comfort. The boot interior is lined with a soft and comfortable K-315 material. Circular molded ankle bone protector. Easy entrance side opening with YKK zipper and full length hook and loop flap closures 3M™ Scotchlite® rear reflective oval increases nighttime visibility. Articulated leather panels at the front and rear of boot increase flexibility and performance.