What you get: socks that survive school, play, and the washing machine.

They’re not thin. They’re built to last.

These socks don’t rip.
They don’t slide.
They don’t lose the fight after two playgrounds and three wash cycles.

They’re not the light summer kind.
They’re the kind that survive September to June.

Made of thick, soft cotton. Let feet breathe. But take a beating.

If you’re looking for ultra-thin socks, this isn’t your product.

If you want something that keeps up with your kid, these are it.

Still waiting for someone to invent socks that are thin and tough.

Until then… this is the closest thing.

School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable

€14.99 Sale Save
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable

They’re just socks… until one breaks before recess.

School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable

That moment when your kid complains. Or when you find yet another hole.

hat’s when you wish you had better socks.

These are those socks.

Made for the rough stuff.
Socks that don’t quit built for playgrounds, puddles, and school mornings on the run.

5 pairs that hold up.
Tougher than some school backpacks. They survive games, fights, and a hundred washes.

Breathable. Not see-through.
85% cotton for softness. 15% stretch to move, flex and stay put. No sweat. No itch. No slipping.

Easy care. No fuss.
Machine-washable. Quick to dry. No shrinking, no pilling, no weird shape after drying.

More colors, more fun.
Now in navy, white, grey, black, green, and burgundy. Because one uniform, many moods.

OEKO-TEX® Certified.
Safe for little feet. No harmful chemicals. No worries, even if they chew on them.

Pick your size. Get 5 pairs. No more sock hunts.

Color White

Item is in stock Only 0 left in stock Item is out of stock Item is unavailable

€14.99 Sale Save

The socks that school uniforms deserve.
Because not all cotton socks are created equal.

At Bisoo, we make basics that actually hold up to schoolbags, playgrounds, and laundry cycles.

Our mid-calf school socks are made with 85% certified OEKO-TEX® cotton. That means they’re safe, breathable, and soft from day one.

They’re not paper-thin.
They’re not scratchy.
They won’t slide down or cut off circulation.

They’re just… what you wish all school socks were:
Reliable. Soft. And built to last.

Available in 6 classic school colors: navy, white, grey, black, green, and burgundy.
In sizes that go from toddler to early teens.

5 pairs per pack, in a reusable zip bag.
Because socks deserve better. And your kid does too.

🧦 Available Sizes:

• Shoe Size 24–27 (Foot length: 15–16.5 cm) → Ages 2–4
• Shoe Size 28–31 (Foot length: 17–19.5 cm) → Ages 4–7
• Shoe Size 32–35 (Foot length: 20–22.5 cm) → Ages 8–9
• Shoe Size 36–38 (Foot length: 23–24.5 cm) → Ages 10–12
• Shoe Size 39–41 (Foot length: 25–26.5 cm) → Ages 12–14

🎨 Available Colors:
Navy, White, Grey, Black, Green, Burgundy

🧵 Composition:
85% Cotton, 10% Spandex, 5% Elastic

🧼 Care Instructions:
Wash inside out. Machine or hand wash at 30°C.
Do not bleach. Do not iron. Do not dry clean.
Air dry only.

🛡️ Certification:

OEKO-TEX® Standard 100 – Free from harmful substances. Safe for children’s skin.

Who are they for?

For parents tired of buying new socks every other month.

For moms who want a pair that won’t fall apart after the second wash.

For feet that never stay still.

For teachers who still believe a kid can’t be comfy and well-dressed at the same time.

For anyone who knows cheap ends up expensive.

And that if school starts in September, feet deserve to make it to June too.

Socks for real kids.

For real days.
No drama.
Just ready for whatever calves throw at them.

How do you get them?

Fast.
Delivered to your door in a few days.

You get 5 pairs in a zip bag.

Socks that hold up better than some school backpacks.

Made with 85% cotton, so feet breathe, even when running late.

Mid-calf, because too short slips, too long itches.

Elastic, but not prison-tight.You get them in navy, white, grey, black, green, or burgundy.

In the size that fits today (and maybe next semester too).

Because kids grow, and socks should keep up.

Oh, and you also get all this. Because a little extra love goes a long way.

You cover the first delivery. After that, it’s on the house.


We’ll cover shipping forever after your first order because you believed in us first.

Let’s be honest… we know you’ll be back 😉

And we take care of those who trusted us from the beginning.

100 days to decide. That’s twice as long as our baby slept last year.


Use it. Wash it. Live it. Send it back.
We won’t cry (okay, maybe just a little).

But truth is? Hardly anyone does.

And if you do… tell us why. We actually care.

Text us. We always answer


We’re real parents... no bots, no scripts.

Ask us anything on WhatsApp

We reply like parents do: eventually, and with love

If it survived our kids… and convinced thousands of parents, it might be just what you need.


That’s why today, we’re proud to maintain an average customer rating of 4.7 out of 5. Not because we’re perfect, we’re not.

We still have a long road ahead before we hit 5.0, but we’re here for it. And we’d love to walk it with you.

No holes.
No whining.
No slipping.
Just socks that work.

The Sock Drama. And Its Happy Ending.

You know what I mean:

One always disappears.
The other gets holes.

And when they actually fit… your kid says they’re too tight.

These parents went through the same.
Until they found these socks.

Keep reading (and if you want more, there’s a carousel waiting below).

SUAVES, RESISTENTES Y DURADEROS.

A los padres les encanta el tacto. A los peques la comodidad. Y duran.

  • “Bonitos y cómodos. Se ajustan perfectamente a la pierna.” Anna
  • “5 pares de calcetines blancos de algodón. Tal como esperaba. Talla correcta, no aprietan, no se bajan. Diseño sencillo, sin logos.” Explorador
  • “Necesitaba calcetines blancos para el uniforme. Estos me salvaron. Finos pero cómodos. No suda el pie. Buen largo. Sin logos impresos. Lavaron bien.” Venus y Marte

LISTOS PARA EL COLE Y CON ESTILO.

Combinan perfecto con el uniforme. Se acabaron las peleas por los calcetines por la mañana.

  • “5 pares en azul marino. A juego con el uniforme. 80% algodón. Transpirables, elásticos, suaves. Lavar con cuidado la primera vez, pueden desteñir.” JUAN ANTONIO
  • “5 calcetines blancos de cole. Quedan bien. El pie transpira. Vienen en bolsa zip. Sello Oeko-Tex. Geniales para el uniforme.” merce @librossinmiedo
  • “Gran calidad y muy suaves. Perfectos para el cole.” ana

SE AJUSTAN COMO UN GUANTE.

No se bajan, no hay que reajustarlos. Solo comodidad todo el día.

  • “Cómodos.” María
  • “Los devolví porque la talla 36-38 era pequeña. Apenas servía para un 34.” Anatole
  • “Los compré para mi hija de 3 años y medio (talla 24). Aún sin usar, pero el tacto y grosor son geniales. Totalmente recomendados.” MERCEDES

LAVADO TRAS LAVADO, COMO NUEVOS.

Los padres alucinan con lo que aguantan: sin agujeros ni encoger.

  • “¡Gran calidad, buen grosor, perfectos para el cole! La talla también es correcta.” Malgorzata de la Torre
  • “Calcetines muy bien hechos. Suficientemente gruesos y abrigan.” AC
  • “Pedí los blancos y me llegaron negros, pero la calidad es genial.” Veronica A.

CALIDAD INESPERADA A UN PRECIO DIARIO.

Asequible no tiene por qué significar de mala calidad. Estos lo demuestran.

  • “5 calcetines azul marino. Suficientemente altos para invierno. La talla 28-32 le va perfecta a mi hijo que usa un 29. Suaves y cómodos. Me gustaría que tuvieran más algodón.” Marian & Family
  • “Buen producto pero un poco pequeños para mi hijo, talla 33.” Helene I.
  • “Calidad-precio genial.” Cliente de Amazon

Customer Reviews

Based on 136 reviews
66%
(90)
31%
(42)
3%
(4)
0%
(0)
0%
(0)
j
jimena
Muy buena calidad

Muy buenos! Para entretiempo, tirando a gruesos

j
jimena
Muy buena calidad

Muy buenos! Para entretiempo, tirando a gruesos

H
Helene i.
Taille petit

Le produit est bien mais un peu petit pour mon fils . T33

H
Helene i.
Taille petit

Le produit est bien mais un peu petit pour mon fils . T33

E
Evelin cirina
Calzini

Perfetto

FREQUENTLY ASKED QUESTIONS. NO NONSENSE, JUST ANSWERS

Yes.
So comfy most parents come back for more.
No itching, no squeezing, feet breathe easy.

Absolutely.
Flip them inside out.
Wash at 30 °C.
They keep their shape and softness.
Even after dozens of washes.

No.

They don’t fade or shrink—just follow the washing instructions.

No drama. Just clean, wearable socks.

Not these.

They’re thick, tight-knit, and made to last.

No lint balls. No holes after one week.

85% cotton.
So feet can breathe.

But no, they’re not ultra-thin.
If you’re looking for summer-sheer socks, this isn’t it.

These are built for running, jumping, and rough school days.
Not sweaty. Just solid.

No.

They stretch, but don’t strangle.

No falling down, no bunching up, no digging in.

They stay in place, even when your kid doesn’t.

Five size ranges:
24–27, 28–31, 32–35, 36–38, and 39–41 (EU).

Sizing is accurate.

If in doubt, go up.
Feet grow. These socks keep up.

White, navy blue, medium grey, black, green, and burgundy.

School-approved.

Cool enough for weekends too.

Yes.

One color per pack.

No mismatches. No early-morning sock hunts.

Nope.

Soft enough for sensitive feet.

Tough enough for playground wars.

No way.

They don’t pill, sag, or stretch out.

They’ll outlast the backpack.

Yes.

Made with OEKO-TEX certified cotton.

Free from toxins or heavy metals.

Even safe if they end up in the mouth (we get it, toddlers…).

In a resealable zip bag.

Neat, tidy, ready to store—or gift.

Shipped locally.

Not from China, not from Mars.

Expect them in a few days.

Before you hear “Mum, I’ve got no socks!” for the third time.

We’re parents. Like you.

We’ve cleaned up puddles at 3AM.

We’ve lost socks in dryers.

We’ve bought cheap, regretted fast.

So we started Bisoo to make baby and kids’ essentials that actually hold up.

Tested by our own kids. Designed with love, sleep deprivation, and real-life chaos.

Not perfect. But honest. And always improving.

💛 Want to know more about us? Click here to meet the humans behind Bisoo.

We’ve got answers.

Reach out anytime via WhatsApp — we’re real people, and we actually reply:

👉 Chat with us on WhatsApp

WHEN DOES IT PAY OFF?

When socks come back from the wash looking like they did on day one.

When your kid actually picks these over the other ones.

When there are no fights to pull them up.

When you stop hearing “Mum, my socks are itchy.”

When, after three months of recess, puddles and jumps, they’re still holding on.

When you realize you haven’t thought about socks in weeks—because they just work.

That’s when you’ll know this was the right choice.

It’s your move. Before they vanish.

Some people overthink socks.

But not you you already know these work.

Grab yours now. Some colors go fast, and once they’re gone… they’re gone.

€14.99 Sale Save
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable
School Socks by Bisoo - 5 Pairs | Cotton | Uniform Fit | Breathable & Durable

If you’re still scrolling… it’s probably time to grab them.

Socks that stay put. No sliding. No tearing. No drama.

Cotton that breathes. Comfy now, safe by Oeko-Tex certified.

5 pairs. 1 week. No sock hunts. Just peace.

4.6★ Reviews. Tested by real families, under real chaos.

€14.99 Sale Save
Color White

Item is in stock Only 0 left in stock Item is out of stock Item is unavailable

Who’s behind Bisoo?

We’re a family with four kids.

And yes, we’ve bought socks that fell apart in two days too.

That’s why we started Bisoo to make basics that don’t let you down.

That hold up to real life. That don’t forget what matters: comfort, quality, and happy kids.

If you ever have a question, we’re here. Always.

We’re not perfect, but we do give it our all.

Learn More