Merrell barefoot: fit, sizing and the toe-box catch

Merrell is the only mainstream outdoor brand with a minimalist line that is genuinely minimalist rather than minimalist-flavored. The Vapor Glove and Trail Glove are zero drop, thin, flexible, and sit on Vibram outsoles — specifications that would be unremarkable from a small barefoot maker and are notable from a brand you can buy in an ordinary shoe shop.

The toe box is narrow. The Vapor Glove in particular is restrictive, and Merrell does not pretend otherwise. If you are switching because your toes are cramped, this brand does not solve your problem — it gives you a thin, flat shoe with the same forefoot constraint you already have, which is arguably the worst combination available: all of the adaptation demand, none of the splay benefit.

We are being blunt about this because Merrell is easy to buy and widely stocked, which makes it the shoe people end up with by default. If toe room is your goal, go to Lems or Xero instead.

Because a narrow foot is a real foot, and it is badly served by this category. Barefoot brands compete on width, which means a genuinely narrow foot swims in most of them — and a shoe that does not hold your foot is not safer than one that is slightly snug, it is less safe, because your foot moves inside it on every step.

Merrell also has one feature almost nothing else here does: a secure heel. That matters more than it sounds on a descent, where heel lift means your toes hitting the front of the shoe repeatedly. It is a large part of why the Trail Glove is our pick for mixed-terrain hiking.

Merrell sizing behaves like conventional athletic footwear, with half sizes and a few widths depending on model. If you have been put off this whole category by the measuring-and-converting problem, Merrell is the one brand where your usual size is a reasonable starting point — just leave real clearance at the front, because a thin shoe gives you no forgiveness if your toe reaches the end.

Toe-box width is only half the question — the other half is shape, because a square-toed foot in a tapered toe box is cramped at the little toe even when the shoe is genuinely wide. On the published fit data, Merrell suits the following toe-length patterns best. How to identify your own foot shape.

• Egyptian (tapered) — A toe box that tapers - but tapers to the OUTSIDE, following your diagonal, rather than squeezing toward a center point. In a square or symmetrically rounded toe box you get space you cannot use at the little toe while the big toe still reaches the end.
• Roman (even first three) — Width across the front third of the toe box specifically, with a generous big-toe allowance. A tapered toe box pushes toes two and three inward against the big toe, which is what starts the overlapping-toe problem.

Merrell sizing behaves like conventional athletic footwear, which makes it the easiest brand here to buy blind. Half sizes and a few widths are offered depending on model.

The method that works for every brand on this site is the same: measure heel to longest toe in millimeters, on both feet, standing, late in the day. Then compare that figure against this brand's own internal-length data rather than converting from the size you usually wear. How to measure your feet · the cross-brand sizing table.

The roundups that feature Merrell, so you can see how it ranks against the alternatives rather than taking a brand page's word for it:

• Best barefoot shoes for narrow feet
• Best barefoot hiking shoes
• Best barefoot hiking shoes for women
• Best barefoot running shoes
• Best minimalist running shoes
• Best zero-drop trail running shoes