Troy Lee Designs A3 MIPS.
Co-moulded EPP and EPS plus a MIPS liner handle both low-speed trail crashes and repeated high-speed impacts, with fixed visor and deep rear coverage.
The Verdict.
Gavler Meta-Score
“The A3 is TLD's best trail helmet — a co-moulded EPP/EPS shell and MIPS liner in a gravity-inspired form with the extended coverage and goggle integration enduro riders demand. It's pricey for an open-face helmet and runs a touch warm, but the comfort, build, and protection are why it keeps topping fit-and-comfort tests.”
The Gavler Verdict
Precision Engineering
Co-Moulded EPP/EPS
Two foams in one shell — EPS to absorb major hits, EPP to rebound from the repeated knocks of a high-speed roll.
MIPS Liner
Discreet, low-profile MIPS slip-plane adds rotational protection beneath the polycarbonate shell.
Enduro Coverage
Deep rear coverage and fixed visor designed for gravity-oriented trail riding with full goggle integration.
Technical Specifications
The Scoreboard
Riders praise the comfort, fit, and goggle integration; the co-moulded EPP/EPS construction is noted as a genuine multi-impact advantage. Marked down for a premium price that, as MBR notes, doesn't buy much more protection than far cheaper lids, and for ventilation that runs warm.
Cast Your Vote
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Best Price Availability.
Prices checked April 2026
Price History
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Global Critique
“In almost every department it kicks the ass of both its predecessors – the A1 and A2 – with better looks, improved comfort, increased ventilation and more features.”
“Troy Lee Designs' A3 MIPS tops them all for fit and comfort.”
“Among the most comfortable helmets we tested — every tester found it fit like a glove.”
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