Ski helmets under $100, with the certifications intact

What price actually changes

This is the question the category is built to obscure. A $250 helmet and a $70 helmet frequently carry exactly the same published certifications, and the standard is a pass-or-fail test rather than a score - there is no such thing as passing ASTM F2040 by a wider margin.

The cheap-against-expensive page works through this in full. The short version of what more money reliably buys:

• Less weight. Real, and it matters over a full day, especially for a child or a light adult.
• Better ventilation. Adjustable vents rather than fixed holes. Noticeable on a warm spring afternoon and irrelevant in January.
• A longer warranty. Published terms range from one year to three across this category, and price does not predict which.
• More published sizes. Which matters if your head is at either end of the range.

What it does not buy is a higher standard of protection, because there is not one above the standard to buy.

Who this page is for

Families buying more than one helmet at once, mostly. The difference between a $70 helmet and a $150 one is a rounding error for one person and most of a lift ticket across four.

It is also for anyone replacing a helmet after an impact, which you must do - a helmet that has taken a real hit is finished whether or not you can see damage. The care and replacement page covers when to retire one.

The three, compared

The row that decides this page is the fourth one. Both Retrospec helmets publish the two certifications that matter and neither publishes a rotational-impact system, which is the single feature most worth paying for at this end of the market. The MIPS page covers what that system is and what it costs.

The picks

OutdoorMaster Kelvin 2 Mips

The pick, and the one to buy four of. A published $69.99 gets ASTM F2040-18 and CE EN 1077:2007 Class B certification with a Mips rotational liner, fourteen vents, a dial adjuster and a two-year published warranty.

Read that sentence against a helmet costing three times as much and the only lines that change are weight, vent adjustability and warranty length - and the warranty here is already double what one major brand publishes on its snow helmets.

Two honest limitations. Three published sizes rather than four, so the extremes of the head-size range are less well covered - if you are at either end, the big heads roundup and the small heads roundup exist for exactly that reason. And no published weight, which means you cannot compare it on the scale before buying.

Retrospec Comstock

Marked as the skip above, and it is the most useful skip on this site because it is the trap the whole category sets. At $47.99 it publishes ASTM F2040 and CE EN 1077 Class B - the same two standards as the Kelvin - and it looks like the obvious saving.

It publishes no rotational-impact system. It publishes no dial adjuster. It publishes no warranty term. Two published sizes cover 55 to 62 cm, which is a narrower band than it sounds and leaves both ends of the range out.

Twenty-two dollars buys all three of those back. That is the cheapest meaningful upgrade anywhere on this site, and it is why this page has one pick rather than two.

Retrospec Comstock Kids

Here because $39.99 with both certifications published is a real option for a family buying three at once, and because it is the cheapest certified helmet in this ledger. It carries the same gap as the adult Comstock: no published rotational system, no published dial, no published warranty term.

Two published sizes, kids XS at 48-51 cm and youth at 52-55 cm, so measure before ordering - the kids helmet size chart shows how, with a tape measure at the kitchen table. Head circumference does not track age closely enough to guess. The kids helmet roundup covers the certified picks with rotational liners.

Before buying any children’s helmet, measure. The kids helmet size chart shows how to do it with a tape measure at the kitchen table, and head circumference does not track age closely enough to guess.

Fit, which matters more than any of this

A correctly certified helmet in the wrong size protects worse than a cheaper one in the right size. Four checks:

• It sits level, with the front edge just above your eyebrows - not tipped back like a hat.
• It does not move. Shake your head; the skin of your forehead should move with the helmet rather than under it.
• No gap above the goggles. That strip of forehead is both cold and a sign the helmet is sitting wrong. The helmet and goggle fit page covers it.
• The chin strap is snug. Two fingers between strap and chin, no more.

The sizing page has the measuring instructions and the fit systems page compares dial adjusters against removable pads.

Why not rent one?

Because you cannot know its history. A rental helmet has been on other heads and may have been dropped hard in a way nobody recorded, and a helmet that has taken an impact is done - the foam crushes once, by design.

At $70, the case for owning is overwhelming: a few days of rental costs more, and you know where yours has been. The full rent-or-buy case for helmets and goggles is here, and the family-of-four page shows where it sits in a first-year budget.