WhatShoeSize

Converse Chuck Taylor All Star
Sizing & fit guide

Our verdict
Go ½ size down
The Converse Chuck Taylor All Star runs large — size down a half (lows can take a full size down). 'Chucks run big' is one of the most repeated sizing facts in sneakers; high-tops can stay closer to true size.
High confidence

Two ways to fit it

For low-tops and a clean fit, size down ½–1 (Chucks run big). For high-tops, a ½ down or true to size works.

Tighter, cleaner fit
Go ½ size down
Relaxed / wide-foot fit
True to size

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Why the Converse Chuck Taylor All Star fits this way

The Converse Chuck Taylor All Star is the reference point for 'runs big' in sneaker sizing — the harvest states it bluntly: "Chucks run big, def don't go with the [smaller true size]" and "imo, high tops go TTS, for low tops go .5 to 1 size down depending on how your feet are." Across countless cross-brand sizing threads, the Chuck Taylor is the shoe people cite as running a half to a full size large versus their other sneakers.

The flat, unstructured vulcanized last has a long, roomy footprint with minimal arch support, so true size leaves noticeable length. Sizing down a half is the safe default; lows go further (up to a full size) because they lack the ankle collar that holds the foot back on highs.

Cross-model, wearers consistently land a half to a full below their Nike/Jordan size: "I wear 10.5 in 1s and 9.5 in chuck 70s," and the standard All Star runs the same or a touch larger than the 70. Width is generous and the canvas softens quickly, so sizing down rarely pinches. Net: size down a half as the default (a full size down for lows or if they feel long); high-tops can stay closer to true size.

Common scenarios

I wear US 10 in my normal sneakers. What size Chuck Taylor?

US 9.5 — Chucks run big, so size down a half. For low-tops, a full size down (US 9) may fit cleaner.

High-top or low-top?

High-tops hold the foot back at the ankle, so a ½ down or true to size works. Low-tops take the fuller ½–1 down.

Why do Chucks run so big?

The flat, unstructured vulcanized last has a long, roomy footprint with little arch support, so true size leaves extra length. Sizing down corrects it.

How it compares to other models

  • Converse Chuck 70 Medium confidence

    Both run big; the standard All Star is the same or a touch larger than the slightly-better-built Chuck 70

  • Air Jordan 1 High High confidence

    The Chuck Taylor runs ½–1 size down from a true Nike/AJ1 size

  • Adidas Stan Smith Low confidence

    Both run large and are sized down; the Chuck's canvas last is roomier in width