When a $300 harness burns because of welding slag, personal safety becomes an issue.- The Radwear® VOLCORE™ Type O, Class 1 AR-FR Rated Vest can be your first line of defense. The VOLCORE™ vest reduces the odds of charing and burned pinholes to your inner layer or harness. Manufactured in our North Carolina facility, the VOLCORE™ is available on a build to order basis with a lead time of approximately 2 weeks for orders under 300 pieces.