Design Philosophy Designed with the help of World Cup DH and Enduro World Series racers, the MT500 Burner Shorts are ready for the start gate. Taking advantage of the latest durable stretch fabrics to provide the desired contemporary, flap free, slim fit with the freedom of movement required for gravity riding. Extra Protection Tough moulded PVC details reinforce the side knee, protecting both you and the trouser. 90 Day Satisfaction Guarantee So confident are we in this product that, if you are not entirely satisfied with it then we offer a no-quibble refund or replacement policy within 90 days of purchase.