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How many red and blue AJ1s have you already seen this week? The Air Jordan 1 Retro High Tokyo Bio Hack (GS) go the exact opposite way: earthy browns, laser orange, racer pink and a metallic silver Swoosh on the same sneaker. It's one of those colorways people stop you on the street to ask about.

The Air Jordan 1 Retro High Tokyo Bio Hack (GS) is the grade school version (style code 575441-201) of the high-top AJ1 released on September 4, 2020, in a Baroque Brown/Black/Laser Orange/Racer Pink palette. Its multicolor color blocking references UNDEFEATED's 2005 Nike Dunk High NL, which makes it one of the most talked-about takes on the silhouette.

Side view of the Air Jordan 1 Retro High Tokyo Bio Hack (GS) with brown panels, black, laser orange and a metallic silver Swoosh
The multicolor color blocking of the Air Jordan 1 Retro High Tokyo Bio Hack (GS), with a contrasting silver Swoosh.

What colors are the Jordan 1 Tokyo Bio Hack, and why do they turn so many heads?

The official colorway name is Baroque Brown/Black/Laser Orange/Racer Pink. In hand it reads as an earth-toned sneaker (that baroque brown covers much of the upper) broken up by hits of laser orange and racer pink exactly where you least expect them.

The detail that ties it all together is the metallic silver Swoosh, the only shiny element on the entire sneaker. Against matte leather, that contrast is what makes the pair work from a distance.

There's a technical nod only longtime heads will catch: the ankle collar isn't stitched to the shoe the way it usually is on the AJ1. It's a direct tribute to how the collar on the Dunk High would flap open if you didn't lace them all the way up.

Jordan 1 Tokyo Bio Hack: real reviews on quality and comfort

What owners mention most is the quality of the leather and the richness of the material mix. Some collectors with more than thirty pairs of Jordan 1s admit they wear the Bio Hack more than any other, precisely because of that blend of colors and textures.

On comfort, the verdict is honest: they're more than enough for everyday wear, but like any high-top AJ1 they're not the pick for ten-hour days on your feet. The padded tongue and collar help, and the encapsulated Air unit does its job over normal distances.

Any complaints? The odd review mentions tongue foam with an uneven curve or laces that fray with wear. Nothing structural, but better to know before you buy than after.

Air Jordan 1 Retro High Tokyo Bio Hack (GS) sizing: should I go true to size?

The consensus on the AJ1 is clear: true to size. That goes for the low, mid and high versions, and the GS is no exception compared to the rest of the family.

  • Regular or narrow feet: your usual size, no question.
  • Wide feet: go half a size up. GS pairs tend to run a bit narrower than adult ones, especially in the toe box.
  • GS equivalence: grade school sizes usually fit smaller adult feet; check the size chart on the product page before deciding.

If you're coming from another AJ1 that fits you well, don't change a thing here. You can check the up-to-date size availability directly on the product page.

How to style the Jordan 1 Tokyo Bio Hack without overdoing it

Rule number one: the sneaker already does the talking, so the rest of the fit should listen. With this many colors in play, a neutral base is your best friend.

  • Raw or black straight-leg denim, stacked slightly over the high collar so the color peeks through.
  • Cargo pants in sand or olive: they tie straight into the browns on the upper.
  • A plain hoodie in brown, cream or black, letting the orange and pink be the only accent.
  • A small color echo: an orange beanie or pink socks, but only one of the two.
  • Skip loud prints: they compete with the sneaker and both lose.

It works just as well with shorts in summer, leaving the ankle on show so the unstitched collar gets noticed.

What sets this colorway apart from other Air Jordan 1s?

The AJ1 OG line was born in 1985 under Peter Moore and lives on two-color blocking: Bred, Royal, Chicago. The Tokyo Bio Hack breaks that logic completely with a multicolor color blocking that doesn't reference a team, but another sneaker from the same house: that 2005 UNDEFEATED Dunk High NL.

In practice: it's the pair you reach for once you already own the classics and want something half the neighborhood isn't wearing. At Next Step you'll find it 100% new and authentic, with 14-day returns (calendar days from delivery) and fast shipping to Spain and all of Europe.

If the colorway caught your eye, don't overthink it: it's a 2020 release and it isn't coming back. Air Jordan 1 Retro High Tokyo Bio Hack (GS) — check out all the details here and grab your pair.

FAQ

When did the Air Jordan 1 Retro High Tokyo Bio Hack (GS) release? +

The Air Jordan 1 Retro High Tokyo Bio Hack (GS) released on Friday, September 4, 2020, under style code 575441-201, in its grade school version. It's a 2020 release that has never been produced again, so availability depends on the stock left in store.

Do the Jordan 1 Tokyo Bio Hack run big or small? +

They run true to size, like the rest of the Air Jordan 1 family in its low, mid and high versions. If you have wide feet, consider going half a size up: GS versions are a bit narrower than adult ones, especially in the toe box. With regular or narrow feet, stick with your usual size.

What inspired the Bio Hack colorway? +

The Bio Hack's color blocking references the Nike Dunk High NL that UNDEFEATED released in 2005, one of the brand's most memorable collaborations. The nod is completed by the ankle collar left unstitched from the shoe, a detail that recreates how the collar on those Dunk Highs looked when you didn't lace them all the way.

Are they comfortable enough to wear all day? +

They're comfortable for casual wear, with a padded tongue and collar, textile lining, removable insole and an encapsulated Air unit. Owners agree they hold up well day to day, but they're not designed for very long days on your feet: the usual limitation of any high-top Air Jordan 1.

Where can I buy authentic Air Jordan 1 Retro High Tokyo Bio Hack (GS) in Spain? +

At Next Step you'll find them 100% new and authentic, with 14-day returns (calendar days from receiving your order) and fast shipping to Spain and the rest of Europe. Since it's a 2020 release, size availability is limited, so it's worth checking the product page before you decide.

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