WhatShoeSize

Asics Gel-Kayano 14
Sizing & fit guide

Our verdict
True to size
The Asics Gel-Kayano 14 fits true to size — take your normal running/sneaker size. Asics sizing is consistent, and the Kayano line runs medium width; wide-foot wearers should use the 2E/4E width Asics offers rather than sizing up.
Medium confidence

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Why the Asics Gel-Kayano 14 fits this way

The Asics Gel-Kayano 14 — the retro-running lifestyle revival of the stability trainer — fits true to size, in line with Asics's reputation for consistent sizing. Long-time Asics wearers report stable sizing over years: "I have been wearing a women's 10.5 in Asics shoes for the past 10–15 years, haven't noticed any changes." The brand's numbering is reliable, so your normal Asics size carries over to the Kayano 14.

One genuine nuance is the gap between half sizes: "I'm often in between women's 11/11.5; I'll go for the bigger size and use an insole" — a common Asics strategy for those between sizes, since the standard-width fit can leave a little length at the larger half size. Standard feet are comfortable at true size.

Width is the key lever. Asics offers the Kayano in standard (D/B), wide (2E/D), and extra-wide (4E/2E) widths, so wide-foot wearers should buy the correct width at true size rather than sizing up the standard width — a point that recurs across Asics running discussion. Net: true to size for standard feet; between-sizes wearers round up and use an insole; wide feet pick the wide version. The Kayano's GEL cushioning and engineered upper give a plush, secure fit.

Common scenarios

I wear US 10 in my normal running shoes. What size Gel-Kayano 14?

US 10 — Asics sizing is consistent and the Kayano fits true to size. Keep your normal Asics number.

I'm between half sizes. Round up or down?

Round up and use an insole if needed — a common Asics move, since the larger half size leaves a touch of length you can dial in.

I have wide feet. Should I size up?

No — buy the wide (2E) or extra-wide (4E) Kayano at true size. Sizing up the standard width only adds length, not width.

How it compares to other models

  • Asics Gel-1130 Medium confidence

    Both true to size on Asics's consistent sizing; the 1130 is a retro-runner, the Kayano a stability silhouette

  • Nike Pegasus 41 Low confidence

    Both true to size daily-trainer-derived shoes; Asics runs medium where standard-width Nike runs a touch narrow