A young boy stands on a bed wearing navy blue pajamas with a Mount SmileyWorld print.
A navy blue long-sleeved pajama top with a repeating print of mountains, trees, and smiley faces.
A young boy in navy blue pajamas with a SmileyWorld mountain print stands on a white bed.
Boy in navy blue pajamas with a mountain and smiley face print.
A young boy in navy blue pajamas with a mountain and smiley face print stands on a white bed.
A young boy in SmileyWorld pajamas and a fluffy blanket stands on a bed.
A navy blue pajama set with a Mount SmileyWorld print and green trim.
A navy blue pajama top with a green trim and a Mount SmileyWorld print.
Size chart for a bamboo pajama set with columns for size, weight, and height.

Classic Fit PJ Set - Mount SmileyWorld® - Luxe Bamboo

Sale price$37.99 USD

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:

Climb into comfort with the Mount SmileyWorld Classic PJ Set. Made entirely from Luxe Bamboo, these pajamas are designed for the softest, most breathable sleep imaginable. With an exclusive all-over SmileyWorld print and a timeless, relaxed silhouette, this set delivers ultimate comfort with a dose of feel-good energy. Whether it’s bedtime or lounge time, these PJs are your ticket to cozy bliss and positive dreams.

Features & Benefits:

🌙 Luxe Bamboo — silky-soft, breathable, and gentle on skin

💛 Classic two-piece set snug fit and super soft

☁️ Lightweight and temperature-regulating for year-round comfort

☀️ Exclusive Mount SmileyWorld® print that celebrates joy and positivity

🌎 Responsibly made with love and care

Fit Guide - True to size. Snug 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.