A smiling baby wearing a white onesie with a smiley face and the text "ONE HAPPY DUDE" printed on it.
A smiling baby boy wearing a white sweatshirt with a smiley face and the text "ONE HAPPY Dude" is standing next to a wooden crib.
A collection of four white baby clothes with the text "ONE HAPPY DUDE" printed on them, hanging on a clothesline.
A white t-shirt with a smiley face and the text "ONE HAPPY Dude" printed on it, hanging on a wooden hanger.
four different t-shirt designs with a cheerful smiley face and the text "ONE HAPPY DUDE" printed on them.
A white sweatshirt with a graphic design and text printed on it, hanging on a wooden hanger.
A white onesie with a smiley face and the text "ONE HAPPY Dude" printed on it, laid out on a white blanket.
Close-up of white cotton baby grow with text reading '100% Pure Cotton- Soft & gentle on delicate skin.
postal mail bag with a tracked shipping label showing generic recipient and sender addresses, styled on a white background with linen and delicate white flowers.
Baby Pandas 100% satisfaction guarantee with a smiling panda and five stars.
A smiling baby wearing a white onesie with a smiley face and the text "ONE HAPPY DUDE" printed on it.
A smiling baby boy wearing a white sweatshirt with a smiley face and the text "ONE HAPPY Dude" is standing next to a wooden crib.
A collection of four white baby clothes with the text "ONE HAPPY DUDE" printed on them, hanging on a clothesline.
A white t-shirt with a smiley face and the text "ONE HAPPY Dude" printed on it, hanging on a wooden hanger.
four different t-shirt designs with a cheerful smiley face and the text "ONE HAPPY DUDE" printed on them.
A white sweatshirt with a graphic design and text printed on it, hanging on a wooden hanger.
A white onesie with a smiley face and the text "ONE HAPPY Dude" printed on it, laid out on a white blanket.
Close-up of white cotton baby grow with text reading '100% Pure Cotton- Soft & gentle on delicate skin.
postal mail bag with a tracked shipping label showing generic recipient and sender addresses, styled on a white background with linen and delicate white flowers.
Baby Pandas 100% satisfaction guarantee with a smiling panda and five stars.
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One Happy Dude Sweatshirt | Retro First Birthay Outfit | Cool Dude Summer Clothes for Boys

£10.99
£10.99
Made to order, secure checkout, baby-safe ink and materials, fast shipping, eco-friendly packaging, 100% satisfaction

Discreet plain packaging • Dispatched in 1–2 working days.
Arrives in 3–5 working days with Royal Mail 2nd Class. Faster shipping method at checkout.

A smiling baby wearing a white onesie with a smiley face and the text "ONE HAPPY DUDE" printed on it.

One Happy Dude Sweatshirt | Retro First Birthay Outfit | Cool Dude Summer Clothes for Boys

£10.99
A smiling baby wearing a white onesie with a smiley face and the text "ONE HAPPY DUDE" printed on it.
A smiling baby boy wearing a white sweatshirt with a smiley face and the text "ONE HAPPY Dude" is standing next to a wooden crib.
A collection of four white baby clothes with the text "ONE HAPPY DUDE" printed on them, hanging on a clothesline.
A white t-shirt with a smiley face and the text "ONE HAPPY Dude" printed on it, hanging on a wooden hanger.
four different t-shirt designs with a cheerful smiley face and the text "ONE HAPPY DUDE" printed on them.
A white sweatshirt with a graphic design and text printed on it, hanging on a wooden hanger.
A white onesie with a smiley face and the text "ONE HAPPY Dude" printed on it, laid out on a white blanket.
Close-up of white cotton baby grow with text reading '100% Pure Cotton- Soft & gentle on delicate skin.
postal mail bag with a tracked shipping label showing generic recipient and sender addresses, styled on a white background with linen and delicate white flowers.
Baby Pandas 100% satisfaction guarantee with a smiling panda and five stars.

One Happy Dude Sweatshirt | Retro First Birthay Outfit | Cool Dude Summer Clothes for Boys

£10.99
Design: Design 1
Option: 3-6m Baby Vest

📏 Size Chart
White cotton baby vest bodysuit

Baby Vest Size Chart

  • 100% combed cotton
  • Approx. 200 GSM
  • Three nickel-free poppers
  • Care instruction: Wash at 30°C inside out. Do not bleach. Low tumble dry. Iron on reverse.
Age / Size Height Weight
Newborn 50 cm 4 kg
0-3 Months 60 cm 4.5 kg
3-6 Months 66 cm 6.5 kg
6-12 Months 74 cm 8 kg
12-18 Months 83 cm 9.98 kg
White baby grow with integrated feet

Baby Grow Size Chart

  • Tight fitting
  • Integrated feet
  • 100% organic cotton
  • Nickel-free poppers
  • Care instruction: Wash at 30°C inside out. Do not bleach. Low tumble dry. Iron on reverse.
Age / Size Length Chest Arm
Newborn 50 22 23
0-3 Months 60 23 24
3-6 Months 66 24 26
6-12 Months 73 25 28
Cotton baby bib

Baby Bib Size Chart

  • 100% cotton
  • Approx. 200 GSM
  • Double-layered for absorbency
  • Touch-fastening closure
  • Care instruction: Wash at 30°C inside out. Do not bleach. Low tumble dry. Iron on reverse.
Size Width
One Size 24-25 cm
Kids cotton T-shirt

Kids T-Shirt Size Chart

  • 100% ringspun cotton
  • Care instruction: Wash at 30°C inside out. Do not bleach. Low tumble dry. Iron on reverse.
Age / Size Length Chest Height
6-12 Months 32 27 80
1-2 Years 35 32 90
3-4 Years 43 34 104
5-6 Years 46 36 116
7-8 Years 50 38 128
9-10 Years 55 42 140
Kids sweatshirt

Kids Sweatshirt Size Chart

  • Soft cotton blend
  • Comfortable everyday wear
  • Care instruction: Wash at 30°C inside out. Do not bleach. Low tumble dry. Iron on reverse.
Age / Size Length Chest Arms
1-2 Years 36 33 32
3-4 Years 42 37 37
5-6 Years 47 42 39
7-8 Years 53 44 47
9-11 Years 59 45 47

Measurements are in centimetres unless otherwise stated. All measurements are approximate and provided as a guide. Please check sizing before ordering.

✨Product Details

Make their special day unforgettable with our charming one happy dude sweatshirt, the perfect first birthday outfit for your little one. This retro graphic jumper combines comfort and style, creating a personalised birthday gift that is ideal for adorable cake smash photos and memorable celebrations in this cool kids birthday gear.

Material: Crafted from 100% soft premium cotton, our baby garments are gentle on delicate skin and designed for everyday comfort. 

Printed using eco-friendly, child-safe inks that won’t crack or fade, each piece is made to last wash after wash. Our baby vests and sleepsuits feature nickel-free poppers for easy changing without irritation. 

Care instructions: Wash at 30°C inside out. Do not bleach. Low tumble dry. Iron on reverse.

Handmade to order, dispatched in 1-2 working days via Royal Mail 2nd Class. Faster delivery upgrades available at checkout.

Made with care for life's special moments, so you can capture the memory and keep it close.

Choose Your Design: Pick your favourite from the Design Option dropdown menu above. Add to basket, and we'll handle the rest.

Preserve the Magic: Some moments only happen once. Make yours unforgettable, and hold onto the memory of how it felt.

Certified & Compliant: Our garments are certified baby safe and fully compliant with UK and EU laws, for complete peace of mind.

Our Promise to You: We operate a 100% satisfaction policy. If you aren't completely happy with your order, just get in touch and we'll make it right.

Q: Can I enter text or phrases in a different language?

A: Yes, we fully support text with accents. If you need assistance with a completely different language script other than accented text, please contact us before placing your order so we can confirm we can accommodate it.

Q: Can I return a personalised item?

A: Because every item is made to order, personalised items can't be returned unless faulty or we've made a mistake. If there's a problem, contact us and we'll put it right. Full details are on our Shipping & Returns page.

Q: Is the fabric safe for babies?

A: Yes, our cotton is soft and gentle on delicate skin, and every product meets UK REACH and Safety Class B requirements for complete peace of mind.

Q: Will the print crack or fade?

A: No. Designs are printed directly onto the garment with child-safe ink built to last through repeated gentle washes, so the design stays vibrant wear after wear.

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