Engineered, designed, and validated by mountain bikers, including a close collaboration with 3x World Champion Downhill racer Greg Minnaar, Oakley DRT5 will give you the confidence to rip down technical descents.EYEWEAR DOCK: Integrated eyewear dock to securely stow your shades and keep them handy for quick and easy access. BOA® 360 FIT SYSTEM: With its soft textile feel and flexibility, the TX1 Lace lies flat against your head, allowing for seamless eyewear compatibility. X-STATIC® BROW PADDING: X-Static® harnesses the power of silver to create a powerful technology that inhibits the growth of bacteria on fabric, eliminating for the life of the product. Also ships with secondary set of pads. 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. Helmet Travel Bag and Oakley Decal Included. Small (52-56cm) / Medium (54-58cm) / Large (56-60cm). CPSC 1203, EN1078 and ANZ2063 Certifications.