The Brooks Glycerin Stealthfit 20 Review & Lab Test: Shop Men’S & Women’S Models of 2026

The Brooks Glycerin StealthFit 20 is a versatile daily trainer designed for runners seeking a reliable and comfortable experience. With its updated upper, this shoe is particularly suitable for those who value a balance between softness and responsiveness during their runs.

The lab data indicates that the shoe offers a notable combination of comfort and stability, making it ideal for covering long distances at a relaxed pace. The engineered design ensures that runners can enjoy extended mileage without experiencing significant fatigue.


Pros

  • Responsive midsole
  • Good impact dampening
  • Suitable for recovery days and long distances
  • Stable and smooth ride
  • Extremely breathable
  • Seamless upper
  • Snug, sock-like fit
  • Super comfy and suitable for all day wear
  • Durable outsole and upper construction
  • Great traction, even on wet surfaces

Cons

  • Somewhat firm midsole
  • Needs breaking in
  • Pricey for a daily trainer

Key Features

  • Supreme Softness: The shoe features nitrogen-infused DNA LOFT v3 cushioning, known for its lightweight, responsive, and durable plush comfort.
  • Secure, Adaptable Fit: The innovative StealthFit construction offers an adaptable fit with a Fit Knit upper that seamlessly supports the structure and breathability of the shoe as it moves with your foot.
  • Smooth Transitions: A redesigned midsole and outsole provide a wider platform, allowing for easier transitions during your runs.
  • Breathability: The Fit Knit upper not only contributes to a snug fit but also maximizes airflow, keeping your feet cool and comfortable.

Specifications

  • Origin: Imported
  • Sole material: Rubber
  • Outer material: Mesh
  • Closure type: Lace-Up

Brooks Glycerin Stealthfit 20 Review & Lab Test: Shop Men’S & Women’S Models – Price, Ratings, Reviews & Sales Insights

Brooks Glycerin Stealthfit 20 Adidas Ultraboost 5 Brooks Glycerin StealthFit 21 Hoka Skyflow
Price $160 $180 $160 $160
Pace Daily running Daily running Daily running Daily running
Arch support Neutral Neutral Neutral Neutral
Weight lab Weight brand 9.9 oz / 281g 10.3 oz / 292g 9.1 oz / 257g 9.9 oz / 282g
Drop lab Drop brand 12.5 mm 10.6 mm 10.5 mm 8.7 mm
Strike pattern Heel Heel Heel Heel
Size True to size True to size True to size True to size
Midsole softness Balanced Soft Balanced Soft
Difference in midsole softness in cold Small Small Normal Normal
Toebox durability Decent Decent Decent Decent
Heel padding durability Good Good Decent Good
Outsole durability Good Good Good Good
Breathability Breathable Breathable Warm Breathable
Width / fit Narrow Wide Medium Medium
Toebox width Medium Wide Medium Narrow
Stiffness Stiff Stiff Moderate Stiff
Torsional rigidity Stiff Stiff Moderate Stiff
Heel counter stiffness Moderate Moderate Moderate Stiff
Heel lab Heel brand 38.8 mm 35.2 mm 36.9 mm 39.3 mm
Forefoot lab Forefoot brand 26.3 mm 24.6 mm 26.4 mm 30.6 mm
Widths available Normal Narrow Normal Normal
Orthotic friendly
Season Summer Summer All seasons Summer
Removable insole
Ranking Bottom 43% Top 14% Bottom 36% Top 31%
Popularity Bottom 25% Top 47% Top 40% Top 39%