The Nike Flex Run 2021, a sustainable running shoe, prioritizes comfort and usability based on both lab tests and wear evaluations. This shoe is ideal for runners seeking a lightweight option that minimizes impact during activity. With its focus on eco-friendliness, the Nike Flex Run 2021 balances performance and environmental responsibility.
Pros
- Fits true to size
- Good ground feel
- No break-in period
- Extremely lightweight
- Flexible
- Look great
- Made with sustainability in mind
- Low price point
- Toes can wiggle
Cons
- Durability issues
- Grips dry tarmac only
- Short runs only
Key Features
- Rubber sole for enhanced traction and durability
- Textile outer material for breathability and flexibility
- Foam inner material that provides cushioning for comfort
- Lace-up closure type for a customizable fit
Specifications
- Sole material: Rubber
- Outer material: Textile
- Inner material: Foam
- Closure type: Lace-Up