For clarity and to reflect the emitter change, I would have preferred R70 Seeker as the model name, since there's is nothing inherently professional about the XHP70 version
Using the link you provided I was off to MotorcycleGear.com to order an HJC CL-17 size XL
To allow for more precise fitment, manufacturers almost always produce helmets in multiple shell sizes, and while mid-tier brands will often use two or two shell sizes for all seven of their sizes (XXS, XS, S, M, L, XL, XXL), the top-shelf companies tend to produce 3, 4, or 5 shell sizes, which, while more expensive to produce, enables the helmets to offer that much tighter of a fit, and therefor offer that much better protection
Custom paint available Technical Information Standards: DOT-218, Snell-M2005/2010 Construction: Advanced Integrated Matrix Plus (AIM+) Shell Weight: 2.86 lbs/1300 grams (approx, based on Size Medium Solid) Custom Paint sales are final.
They can be around laydowns and boat docks as well