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Home > Boys' T-Shirts
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Boys' T-Shirts

Boys' t-shirts at FlipBuy UK: cotton tees and a two-piece t-shirt and shorts summer set.

13 products

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Kids' Brushed Mock Neck Top, 3-pack in black, pink and white Kids' Brushed Mock Neck Top New

Kids' Brushed Mock Neck Top, Single or 3-Pack

From£7.99

5 colours

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Kids' Cotton Long Sleeve Top Kids' Cotton Long Sleeve Top, Relaxed Fit, alternative view New

Kids' Cotton Long Sleeve Top, Relaxed Fit

From£10.99

8 colours

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Kids' Soft Mock Neck Long Sleeve Top Kids' Soft Mock Neck Long Sleeve Top, alternative view New

Kids' Soft Mock Neck Long Sleeve Top

From£9.99

8 colours

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Kids' 100% Cotton Long Sleeve T-Shirt Kids' 100% Cotton Long Sleeve T-Shirt, 7 Colours, alternative view New

Kids' 100% Cotton Long Sleeve T-Shirt, 7 Colours

From£10.99

7 colours

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Kids' Fleece Lined Mock Neck Top Kids' Fleece Lined Mock Neck Top, alternative view New

Kids' Fleece Lined Mock Neck Top

From£12.99

4 colours

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Kids' Cotton Crew Neck Sweatshirt Kids' Cotton Crew Neck Sweatshirt, 10 Colours, alternative view New

Kids' Cotton Crew Neck Sweatshirt, 10 Colours

From£12.99

10 colours

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Kids’ Soft Knit Long-Sleeve T-Shirt, Autumn & Winter Essential Kids’ Soft Knit Long-Sleeve T-Shirt, Autumn & Winter Essential, image 2

Kids’ Soft Knit Long-Sleeve T-Shirt – Autumn & Winter Essential

From£9.99

4 colours

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Kids' Classic Long-Sleeve T-Shirt, Soft & Casual Kids' Classic Long-Sleeve T-Shirt, Soft & Casual, image 2

Kids' Classic Long-Sleeve T-Shirt – Soft & Casual

From£9.99

4 colours

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Spiral Anger Management Kids' Grumpy Cat T-Shirt, Black Cotton Spiral Anger Management Kids' Grumpy Cat T-Shirt, Black Cotton, image 2 New

Spiral Direct

Spiral Anger Management Kids' Grumpy Cat T-Shirt, Black Cotton

£13.99

6 sizes

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Spiral Dragon Furnace Kids' T-Shirt, Black 100% Cotton Spiral Dragon Furnace Kids' T-Shirt, Black 100% Cotton, image 2 New

Spiral Direct

Spiral Dragon Furnace Kids' T-Shirt, Black 100% Cotton

£17.99

6 sizes

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Spiral Breaking Out Kids' Dragon T-Shirt, Black 100% Cotton Spiral Breaking Out Kids' Dragon T-Shirt, Black 100% Cotton, image 2 New

Spiral Direct

Spiral Breaking Out Kids' Dragon T-Shirt, Black 100% Cotton

£17.99

6 sizes

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Spiral Draconis Kids' Fire Dragon T-Shirt, Black 100% Cotton Spiral Draconis Kids' Fire Dragon T-Shirt, Black 100% Cotton, image 2 New

Spiral Direct

Spiral Draconis Kids' Fire Dragon T-Shirt, Black 100% Cotton

£17.99

6 sizes

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CoolFlex Kids’ Summer Set, 2pc T-Shirt & Shorts CoolFlex Kids’ Summer Set, 2pc T-Shirt & Shorts, image 2

CoolFlex Kids’ Summer Set – 2pc T-Shirt & Shorts

From£11.99

2 colours

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Before you buy

Boys' T-Shirts buying guide

What makes a children's t-shirt last

Children's tees fail in three predictable places, and all three are visible before you buy.

  • The neckline goes first. A ribbed collar with a visible band springs back; a thin single-layer neck stretches within a term and the top looks finished even when the fabric is fine. This is the best single predictor of lifespan.
  • The print cracks. Screen prints last; transfers that sit on the fabric like a plastic layer crack and peel. Feel it if you can, a good print feels like part of the fabric.
  • The body twists. Cheap jersey is knitted as a tube and the side seams spiral after a few washes. Proper side seams stay straight.

Why two-piece sets are practical for children

  • No matching required: which matters when a child dresses themselves
  • Both pieces wear out together, so you replace as a unit rather than ending up with orphan tops
  • Sized as a pair, so if the set fits, both halves fit

The trade-off is versatility: a set gives you one outfit, where separates give several. For younger children the convenience usually wins; for older ones who care what they wear, separates get more use.

How to size children's t-shirts

  • Use height, not age. Age labels are averages and children vary enormously.
  • One size up if buying ahead, never two, sleeves over hands get pushed up and stay damp.
  • Check the neck opening for younger children. A tight neck over the head is a common reason a perfectly good top is refused.
  • Cotton shrinks slightly on the first hot wash. Wash cool if it fits exactly.

How to keep prints looking new

  • Wash inside out, every time. Drum friction against the print is what cracks it. This habit alone roughly doubles the life of a printed tee
  • Wash at 30-40°C. Hot water sets stains and degrades prints
  • Line dry. Tumble drying cracks prints and shrinks cotton out of its size
  • Never iron over a print: inside out, or with a cloth on top
  • Treat food and grass stains cold and immediately. A hot wash before the stain is out sets it permanently

Grass stains specifically

Grass is a plant dye and doesn't respond to normal washing. Treat with a little washing-up liquid or a stain remover worked into the mark, left for fifteen minutes, then washed cold. Never hot first, heat sets it for good.

How many tees does a child need

Seven to ten for school-age children covers a week with spares if you wash weekly. Children at primary age grow roughly a size a year, so large quantities in one size rarely get worn out before being outgrown. Multi-packs are the efficient way to restock once you know a fit works.

FAQs

Boys' T-Shirts: common questions

What ages do these cover?

Check the height measurement on each product page rather than the age label.

Is the summer set sold as a pair?

Yes: the two-piece set includes both the t-shirt and the shorts.

Will the prints survive washing?

Inside out at 30-40°C and line dried, yes. Tumble drying is the main cause of cracking.

How do I get grass stains out?

Treat with washing-up liquid or stain remover before washing, and always wash cold, heat sets grass stains permanently.

Still have a question? See Help and delivery or contact us.

Related collections

  • Boy's fashion
  • Boys' jackets & coats

For the full range, see boy's fashion. For outerwear, boys' jackets & coats.

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