A young boy wears a navy blue t-shirt with a SmileyWorld mountain print and light wash jeans.
T-shirt with a navy blue all-over print of mountains and smiley faces.
A young boy smiles in a navy t-shirt with a SmileyWorld mountain print and light blue jeans.
A young girl smiles wearing a navy t-shirt with a SmileyWorld mountain print.
A child wears a navy t-shirt with a colorful mountain and smiley face print.
A young girl smiles wearing a navy t-shirt with a SmileyWorld mountain print.
T-shirt with a navy blue background and a repeating print of mountains, trees, and smiley faces.
Navy t-shirt with a mountain and smiley face print.
T-shirt size chart for children's clothing with size and height measurements.

T-shirt - Mount SmileyWorld® - Luxe Bamboo

Sale price$28.99 USD5.0

SmileyWorld® has been spreading positivity and self-expression, inspiring generations to share happiness, confidence, and creativity through its iconic smile. This collaboration celebrates that joyful spirit with Ploom Baby’s signature comfort and effortless style, a reminder to share good energy and let your light shine.

Product Description:

Say hello to happy with the Mount SmileyWorld All-Over Print T-Shirt! Made from buttery-soft Luxe Bamboo, this tee feels as good as it looks. Lightweight, breathable, and full of playful personality, it’s perfect for all-day adventures, cozy cuddles, and everything in between. With its cheerful SmileyWorld print, this top brings sunshine wherever your little one goes.

Features & Benefits:

🌼 Luxe Bamboo soft, breathable, and gentle on sensitive skin

💛 SmileyWorld® print for a bold, joyful look

☀️ Lightweight and stretchy for easy movement and all-day comfort

🌎 Responsibly made with love and care

Fit Guide- True to size, relaxed fit. 

TM & © 1971-2025 The Smiley Company

Size: 2T

Why You’ll Love Ploom

Softness

Tested

Breathability

Gentle

All-Day Comfort

Grow

Why You’ll Love Ploom

Softness

Perfect for sensitive skin—no irritation, all-day comfort.

Softness

A baby wearing a white footie pajama set with a teddy bear print.

Perfect for sensitive skin—no irritation, all-day comfort.

Why You’ll Love Ploom

Tested

Rigorously tested to meet safety standards. Gives parents peace of mind. Safe for babies, kids, and sensitive skin.

Tested

Rigorously tested to meet safety standards. Gives parents peace of mind. Safe for babies, kids, and sensitive skin.

Why You’ll Love Ploom

Breathability

Ultra-breathable and temperature-regulating keeping you & your little comfortable.

Breathability

Baby in a teal pajama with an otter print.

Ultra-breathable and temperature-regulating keeping you & your little comfortable.

Why You’ll Love Ploom

Gentle

Naturally hypoallergenic. Less irritation for delicate skin.

Gentle

Baby in blue Neopets blueberry pajamas with feet up.

Naturally hypoallergenic. Less irritation for delicate skin.

Why You’ll Love Ploom

All-Day Comfort

Designed for unrestricted movement and soft, breathable wear.

All-Day Comfort

A woman and baby wear matching blue Neopets blueberry pajamas.

Designed for unrestricted movement and soft, breathable wear.

Why You’ll Love Ploom

Grow

Grows with your child. Wear longer without sacrificing comfort.

Grow

Baby in blue Neopets blueberry print zip pajamas with a white bow.

Grows with your child. Wear longer without sacrificing comfort.

$1

Donated for every clothing item sold to hand picked charities

%

of every sale plants tree's and removes ocean bound plastic

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Ploom Baby is home to ultra-soft, sensory-friendly clothing made from sustainable TENCEL™ Modal & Bamboo Viscose thoughtfully designed for babies, toddlers, kids, and adults with sensitive skin, eczema, or sensory sensitivities.

Our best-selling pajamas, zip sleepers, rompers, and daywear are loved for their breathable, stretchy, and tag-free feel that keeps every body cozy from morning to night. Every piece is made to move with your family — because comfort should never slow anyone down. We’re proud to bring comfort and creativity together through our exclusive licensed collaborations with Super Simple Songs, Puffin Rock, and Neopets — collections that add colour, nostalgia, and fun to every snuggle. From matching family pajamas to sensory-friendly playwear, Ploom Baby brings softness, sustainability, and joy to every generation. And with every item sold, we donate $1 to support communities in need.