The Adidas Racer Tr21 Review & Lab Test: Shop Men’S & Women’S Models of 2026

The Adidas Racer TR21 is a versatile hybrid sneaker designed for casual use rather than performance racing. This shoe is ideal for beginners due to its flexibility and comfort, making it suitable for low-intensity jogs or walks in the park.

With features tailored for those seeking an affordable option, it may not meet the needs of midfoot or forefoot strikers. The design prioritizes a comfortable experience over speed, which can impact performance during more intense activities.


Pros

  • Functions well as a casual sneaker
  • Comfortable for all-day wear
  • Suitable for wide feet
  • Budget-friendly at only $75
  • Appealing aesthetic
  • Eco-friendly
  • Stable for heel strikers

Cons

  • Only for casual runs
  • Offers limited arch support
  • Insufficient forefoot cushioning

Key Features

  • Men's running-inspired design: Perfect for everyday casual wear.
  • Flexible Upper: The soft knit upper provides a stretchy and comfortable fit.
  • Cushioned Midsole: Equipped with Cloudfoam technology for exceptional step-in comfort and cushioning.
  • Rubber Outsole: Offers outstanding grip while maintaining a sleek, low-profile appearance.
  • Made with Recycled Content: Demonstrates a commitment to sustainability by incorporating a series of recycled materials.

Specifications

  • Fabric Type: Synthetic-and-rubber
  • Origin: Imported
  • Sole Material: Rubber
  • Outer Material: Rubber

Adidas Racer Tr21 Review & Lab Test: Shop Men’S & Women’S Models – Price, Ratings, Reviews & Sales Insights

Adidas Racer TR21 Adidas Supernova 3 Adidas Runfalcon 5 Adidas Ultrabounce
Price $75 $100 $65 $80
Pace Daily running Daily running Daily running Daily running
Arch support Neutral Neutral Neutral Neutral
Weight lab Weight brand 11.2 oz / 318g 9.7 oz / 274g 9.7 oz / 275g 11.5 oz / 326g
Drop lab Drop brand 12.9 mm 12.5 mm 9.4 mm 11.3 mm
Strike pattern Heel Heel Heel Heel
Size True to size True to size True to size True to size
Midsole softness Balanced Balanced Balanced Balanced
Difference in midsole softness in cold Normal Small Small Normal
Toebox durability Bad Good Bad Decent
Heel padding durability Bad Good Bad Decent
Outsole durability Decent Bad Decent Decent
Breathability Moderate Breathable Moderate Breathable
Width / fit Medium Medium Wide Medium
Toebox width Medium Medium Medium Medium
Stiffness Moderate Stiff Moderate Moderate
Torsional rigidity Moderate Moderate Flexible Moderate
Heel counter stiffness Flexible Moderate Moderate Flexible
Heel lab Heel brand 31.9 mm 30.7 mm 31.2 mm 30.3 mm
Forefoot lab Forefoot brand 19.0 mm 18.2 mm 21.8 mm 19.0 mm
Widths available Normal Normal Normal Normal
Orthotic friendly
Season All seasons Summer All seasons Summer
Removable insole
Ranking Bottom 36% Bottom 21% Bottom 44% Bottom 23%
Popularity Bottom 14% Bottom 12% Top 41% Bottom 44%