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Nike Air VaporMax 2021 FK Big Kids' Shoes - Black/Oil Green/Vintage Green/Barely Volt

Recycled Materials

Nike Air VaporMax 2021 FK

Big Kids' Shoes

25% off
Black/Oil Green/Vintage Green/Barely Volt
White/Football Grey/Hot Fuchsia/Dark Raisin

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This product is made with at least 20% recycled content by weight

Made with at least 40% recycled content by weight, the Nike Air VaporMax 2021 FK defines innovative comfort. Superstretchy and supportive Flyknit fabric feels like wearing a sock, plus VaporMax Air from heel to toe gives you ultra-lightweight bounce. Flex into the future with us and feel the good vibes.


  • Shown: Black/Oil Green/Vintage Green/Barely Volt
  • Style: DB1550-010

Nike Air VaporMax 2021 FK

25% off

NEXT GENERATION OF VAPORMAX.

Made with at least 40% recycled content by weight, the Nike Air VaporMax 2021 FK defines innovative comfort. Superstretchy and supportive Flyknit fabric feels like wearing a sock, plus VaporMax Air from heel to toe gives you ultra-lightweight bounce. Flex into the future with us and feel the good vibes.

Flyknit Feels

Nike Flyknit technology uses strong (yet lightweight) yarns to create a knit fabric that feels supportive, stretchy and breathable.

Everything Air

VaporMax 2020 Air evolves from multiple Air units into one big bubble from heel to toe for super lightweight and flexible cushioning. The bottom includes some Nike Grind material that's made from scraps from the footwear manufacturing process.

Look Good, Feel Good

Wear these ultra-comfy shoes knowing you own kicks that can claim they're made with at least 40% recycled content by weight. Now that's a good look.

Product Details

  • Heel pull tab
  • Shown: Black/Oil Green/Vintage Green/Barely Volt
  • Style: DB1550-010

Size & Fit

    • Fits large; we recommend ordering a half size down
  • Size Guide

Reviews (431)

What Reviewers Say

Widely praised for exceptional comfort, these shoes excel for extended wear—whether standing, walking, or working long shifts. The lightweight, breathable Flyknit material stretches to fit comfortably, though feedback suggests sizing down a half size as they tend to run large. Fit runs true to size for most, but the knit construction accommodates wider feet well. Ideal for all-day casual wear, work, and light activity.

AI-generated summary

Complete the Look

Explore the Nike Air VaporMax 2021 FK Big Kids' Shoes

Salvaged and Fly

Compared to traditional footwear upper manufacturing, Flyknit produces about 60% less waste, while still providing lightweight comfort and support.

A Breath of Fresh Air

As of 2020, all of Nike’s Air Manufacturing Innovation facilities in North America are powered by 100% renewable wind energy.

The Recycled Revolution

Wear these ultra-comfy shoes knowing you own kicks that can claim they're made with at least 40% recycled content by weight. Now that's a good look.