XS O Frame 2.0 Pro MX Matte Black W/Clear Ultraweld The replaceable knee cups are

The replaceable knee cups are constructed with a polyurethane outer shell backed with a Nucleon PLASMA Knee protector for the optimum blend of impact protection

OEM - 5540-209-1000

Designed for technical Enduro Cross for all Extreme terrains types with class leading performance

2mm diameter throughout the full length of the bar

XS O Frame 2.0 Pro MX Matte Black W/Clear Ultraweld The replaceable knee cups areAs an evolution of the legendary O Frame goggle, the O Frame 2. 0 PRO family has Oakley DNA pumping through every vein. The O Frame 2. 0 PRO XS MX extends the O Frame 2. 0 PRO style and performance to a youth fit, and maintains all the protection, comfort and performance that pro riders demand bringing the best of Oakley innovation to smaller faces. Product Info: Optimized fit for youth smaller faces. Triple layer face foam fleece to wick away sweat.