For the Mountain Bikers - Engineered, designed, and validated by mountain bikers, including a close collaboration with 3x World Champion Downhill racer Greg Minnaar, the Oakley DRT5 will give you the confidence to rip down technical descents and look good doing it. - Technology and Comfort - The DRT5is packed with technology and comfort features. There's an integrated eyewear dock to securely stow your shades and keep them handy for quick and easy access. X-STATIC brow padding harnesses the power of silver to create a powerful technology that inhibits the growth of bacteria on fabric, eliminating odour for the life of the product. Also, the BOA 360 Fit System with its soft textile feel and flexibility. The TX1 Lace lies flat against your head, allowing for seamless eyewear compatibility. - MIPS Integration - The MIPS Brain Protection System is a helmet integrated, low friction layer designed to reduce rotational motion transferred to the brain during an impact.