Brooks Glycerin 23 vs Glycerin 22

Glycerin 23 or Glycerin 22? Here’s how they compare on feel, fit, brand specs and price, from the fitting team at The Run House.

The short answer

The Glycerin 23 replaced the Glycerin 22.

2mm more forefoot foam, the drop down from 10mm to 8mm and a softer knit upper. Slightly heavier.

What changed

  • Foam: Same DNA Tuned foam.
  • Shape: Drop cut from 10mm to 8mm, with more room over the toes.
  • Outsole: More rubber and new flex grooves.
  • Upper: Softer knit upper.
  • On the run: Feels about the same.
  • Measured: 0.4 oz heavier and drop down from 10.3mm to 8.2mm. Heel stack about the same.

Still like the Glycerin 22? It’s $10 less than the Glycerin 23 while supplies last, with 2 colors in stock.

On the run

Glycerin 23: The plush luxury cruiser. Deep, plush cushioning with a soft heel. It’s built for comfort, not speed, and the forefoot needs a couple dozen miles to loosen up.

Glycerin 22: Comfort-loaded everyday cruiser. Soft, comfort-loaded cushioning with a stable feel, made for everyday miles and great for heel strikers. Not very energetic.

Specs side by side

Glycerin 23 Glycerin 22
Price $174.95 $165
Stack height (heel / forefoot) 38 / 30mm* 38 / 28mm*
Drop 8mm 10mm*
Weight, men’s 10.6 oz 10.2 oz*
Weight, women’s 9.5 oz 9.1 oz*
Support Neutral Neutral
Plate None None
Widths Standard, Wide, Extra wide Standard, Wide, Extra wide
Built for Easy days, Recovery runs, Long runs, Walking & all-day wear Easy days, Long runs, Recovery runs, Walking & all-day wear
Expected life 400–500 miles 450–550 miles

Stack, drop and weight come from each brand’s own website. Numbers marked * aren’t published by the brand and come from other published specs. Weights are for the size each brand quotes. Expected life is our estimate.

Fit

Glycerin 23. Runs slightly short, so if you’re between sizes, go up a half. Roomy forefoot with more toe height than the 22; the stretchy upper can feel loose on narrow feet. Wide available.

Glycerin 22. True to size with a roomy toebox, but it’s low over the toes. Wide and extra-wide available.

Try them on

Come try on both at The Run House in Walpole, Needham or Falmouth. Gait analysis is always free.

Shop the Glycerin 23 · Shop the Glycerin 22 · Compare other running shoes