Mt500 burner jerseys have a reputation that's hard won and well deserved built for hard riding in the toughest of mountain terrains.multi fabric constructionfabric selection and panel design are the key to this jersey's success'. '.strtoupper('t')he sleeves and shoulders are constructed from a tough extra durable fabric for those high wear zones whereas the main body uses a rapid wick material that helps keep you dry and cool'. '.strtoupper('s')trategically placed stretch panels have been included to give unrestricted movement on your bike.fitthe mt500 burner l s jersey has a loose relaxed fit which makes it compatible with elbow and body protection.90 day satisfaction guaranteeso 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'. '.strtoupper('f')ast wicking main body fabric contains 50% recycled fabric silicone shoulder print for backpack strap grip standard slim not baggy flap free fit accommodates slim line padding laser cut perforation details for extra ventilation zipped sleeve lift pass pocket 90 day satisfaction guarantee construction fabric 1 polyester 100% fabric 2 nylon 85% elastane 15%