The Giro Temp Mountain Bike Goggles are made for riders who are excited to ride and see the trail in a whole new expanded world. The lens of these goggles is made of durable True Sight polycarbonate and has an anti-fog coating so you can see the trail clearly. They include Expansion View technology and implement a double silicone-backed grip strap that will stay firm and steady in place. These goggles are Off-Road Motorcycle Certified and include Over-The-Glasses technology for a comfortable fit and feel for riders who wear reading glasses. The Giro Temp Mountain Bike Goggles are ready to join you in all your gnarly runs on the trail this season!