Arai XD-5 (Tour-X5) Review

The Arai XD-5 is one of the best adventure helmets you can buy, and it's also the clearest example of why this site exists. Ride forums are full of praise for the "Arai Tour-X5" and its ECE 22.06 rating — but the helmet Arai sells in the US is the XD-5, and that build is DOT + Snell M2025D, not ECE 22.06. Same helmet family, different name, different homologation. If you buy in the US expecting 22.06, know what's actually on the shell.

None of this makes the XD-5 a lesser helmet. Snell M2025D is an independently-tested standard that favors a stiffer shell built for high-energy, repeat same-site impacts — a different and demanding philosophy from ECE's rotational focus. It's a genuine step above the DOT legal floor. It just answers a different safety question, and you should buy knowing which question that is.

The fit is the reason to buy

Arai's defining trait is its rounder internal shape. If you have a round-oval head — the shape that most Shoei, AGV and HJC helmets pinch at the temples — the XD-5 can be the first helmet that's comfortable for a full day. That fit, plus Arai's famously smooth, continuous shell (designed to glance off rather than catch), is what keeps riders loyal despite the price.

The peak behaves

Older peaked helmets turn into sails at highway speed. The XD-5's peak is engineered to shed wind rather than lift your head, and it's a measurable improvement over the previous XD-4. It still moves more air than a bare full-face, as any peak does, but it no longer fights you on the slab.

Who should skip it

If ECE 22.06 is your deciding factor, the US XD-5 doesn't carry it — buy the Klim Krios Pro(genuine US DOT + ECE 22.06) or import the European Tour-X5 direct. If you have a long-oval head, Arai's round shape will be too tight; and if you want carbon-fiber lightness, the XD-5's composite shell is heavier than a Krios Pro.