Klim Krios Pro vs Arai XD-5

The Klim Krios Pro and the Arai XD-5are two of the best adventure helmets money buys, and they represent two genuinely different design philosophies. Klim went after the lowest possible weight with a full carbon shell and maximum versatility; Arai stuck to its decades-old belief in a smooth, round shell that glances off impacts, and added a Snell rating. Both are premium; the right one depends on how — and where — you actually ride.

Head to head

Weight: the Klim’s trump card

The single biggest difference is weight. The Krios Pro’s full carbon shell is a published 1,450 g in Large— remarkably light for an adventure helmet with a peak — while the XD-5’s fiberglass shell is around 1,683 g. That roughly 230-gram gap is the kind of difference you feel on a long day, especially off-road where head movement is constant. If low weight is your priority, the Klim is one of our lightest helmets at any style, let alone among ADV lids.

Certification: ECE 22.06 vs Snell

Neither is “more certified” — they choose different protocols. The Klim carries DOT and ECE 22.06, the newest European standard, which added oblique/rotational and multi-point impact testing, and backs it with a Koroyd crushable structure. The Arai carries DOT and Snell M2025, the stricter independent impact protocol that’s uncommon on ADV helmets. Our safety-ratings guide explains how the two differ; the short version is that both are top-tier, and which you prefer is a philosophy choice, not a safety ranking.

Versatility and use

The Klim is the more configurable helmet: four ride modes (street, adventure, dual-sport, dirt) and an included photochromic shield that self-tints, so it adapts to whatever the day throws at it and leans genuinely dirt-capable. The Arai keeps things simpler with its convertible peak/shield/gogglesetup and the round-shell shape Arai riders swear by, and it leans more toward pavement-heavy adventure touring. Neither has an internal sun visor — the Klim’s photochromic shield covers that job, the Arai expects a tinted shield or goggles.

So which should you buy?

Buy the Klim Krios Pro if you want the lightest, most versatile ADV helmet, you ride real dirt as well as pavement, and you value ECE 22.06 with a Koroyd structure and a self-tinting shield. Buy the Arai XD-5if you want Arai’s round-shell philosophy and a Snell rating, you lean toward pavement-heavy adventure touring, and the classic Arai fit suits your head. Both sit near the top of our adventure ranking; read the Krios Pro and XD-5 reviews for the full spec sheets and live prices. Whichever you choose, get the fit rightfirst — head shape matters more than the badge.