Canada
United States
Short Sleeve Long Pants Summer Pajama Set TENCEL™ - Mini Mathletes
Snug, Comfortable Fit
Machine Washable & Dryer Safe
Flexible Elastic Waistband
Temperature Regulating Fabric
Flexible Waistband for a Comfy Fit
Tag-Free, No Irritation
As Featured In
Description
Lightweight, breathable comfort for warm-weather bedtimes — the Loulou Lollipop Short Sleeve Long Pants Pajama Set in Mini Mathletes keeps your little one cool and comfortable all night.
Made from TENCEL™ Lyocell with spandex for stretch, this two-piece set actively manages body heat and sweat to reduce temperature-related sleep interruptions, allowing for deeper sleep cycles. Naturally hypoallergenic, moisture-wicking, and temperature-regulating — gentle enough for babies with sensitive skin or eczema.
TENCEL™ Lyocell is made from sustainably sourced wood pulp using a closed-loop process that recycles water and solvents with minimal waste.
Flat seams and printed inner care label prevent irritation. Snug-fit design meets Canadian flammability standards.
Health Canada compliant. OEKO-TEX Standard 100 certified — free of harmful substances.
Proudly designed in Canada. A perfect bedtime essential.
Why We Love It
The Details
Materials & Care
Machine wash cold with like colours
Delicate or gentle cycle
Tumble dry on low heat
Use only non-chlorine bleach
Iron medium
Do not dry clean
Shipping & Returns
We ship every order from right here in Canada. Orders over $100 CAD ship free within Canada; smaller orders are a flat $12 (BC) or $15 (rest of Canada), with most arriving in 5–10 business days. We also ship internationally with tracking included — duties and taxes are calculated at checkout and are the recipient's responsibility.
Change your mind? Regular-priced items can be returned within 30 days of purchase, as long as they're unworn, unwashed, and unused with original tags and packaging intact. Sale and marked-down items are final sale.
All sleepwear should fit snuggly. The following chart is for reference only. Please reach out to our customer service team if you have any questions on the sizes.
| Size | Height (in) | Weight (lb) |
|---|---|---|
| 0 - 3 M | 19" - 23" | 7 - 12 lbs |
| 3 - 6 M | 23" - 27" | 12 - 17 lbs |
| 6 - 12 M | 27" - 29" | 17 - 22 lbs |
| 12 - 18 M | 29" - 31" | 22 - 27 lbs |
| 18 - 24 M | 31 - 33" | 27 - 30 lbs |
| 2T | 33 - 36" | 30 - 33 lbs |
| 3T | 36" - 39" | 33 - 36 lbs |
| 4T | 39" - 42" | 36 - 40 lbs |
| 5T | 42" - 45" | 40 - 44 lbs |
| 6 | 45" - 48" | 44 - 50 lbs |
Made from the Good Stuff
Naturally Temperature-Regulating
TENCEL™ Lyocell keeps baby comfortable in any season, moving heat and moisture away from skin instead of trapping it.
Buttery-Soft on Sensitive Skin
Silky soft against even the most sensitive skin, and naturally hypoallergenic — dermatologist recommended.
Sustainably Harvested
Made from FSC-certified eucalyptus wood pulp in a closed-loop process that reuses 99.5% of water and solvents.
Built for Frequent Washing
Keeps its softness and shape through the twice-or-thrice-weekly wash a baby's wardrobe demands.
Naturally Temperature-Regulating
TENCEL™ Lyocell keeps baby comfortable in any season, moving heat and moisture away from skin instead of trapping it.
Buttery-Soft on Sensitive Skin
Silky soft against even the most sensitive skin, and naturally hypoallergenic — dermatologist recommended.
Sustainably Harvested
Made from FSC-certified eucalyptus wood pulp in a closed-loop process that reuses 99.5% of water and solvents.
Built for Frequent Washing
Keeps its softness and shape through the twice-or-thrice-weekly wash a baby's wardrobe demands.
Our Safety Standards
My kids love it, they love their matching jammies, so comfy and light. We'll bring this with us when we travel as it packs light.
My daughter's favorite blankie is this same pattern. She loves that blankie so much we had to buy two so we'd have a backup. Now she needs to sleep with both of them at the same time. Of course. But we love the blankie's so much that we bought a pair of "blankie jammies" too. We also got a pair in Canyon Rainbow. Like the swaddle, we have tons of jammies - inherited from cousins and older sibling, gifts, etc - but these are the only jammies we wear. They are just the right weight, soft and thin, so she can wear them in summer w/o a sleep sack and winter with a little extra warmth or a blanket. We just upgraded to the next size. I won't bother getting any other brands. These are not inexpensive, but they wash up softer and softer, they wear well and they are worth the money. Love them.
Beautiful, comfortable. Always great products. Highly recommend.
It’s soft and stretchy, and will last a while. I wish they still sold it!
Our grandson loves trains, so this design is perfect! We appreciate the colourful, realistic scenes and soft material.
The seam at the crotch ripped after the first wash. While they are so cute and soft they are quite expensive for something the rips almost immediately. Would not repurchase from here.
We really like these pajamas! The prints that they have are so cute and whimsical. I do wish they were slightly looser in the arms. The legs seem fine but the arms are very tight. That being said, I will 100% purchase more!
Love the waffle. I find this material lasts the longest as it has more give to it.
I was looking for cute, good quality pyjamas for 3 grandchildren. I wanted gender neutral ( 2 boys and a girl). Ordering from a Canadian company is a priority. Delivery was fast and these were perfect!
So soft. So comfy. Just wish the sizing went up. Size 6 barely fit our 4 year old boys. Maybe get a month or two of wear.
Incredibly soft. My daughter loved them. I might love them more. I wish they had my size!
These pjs are so soft I want a set for myself. I got matching ones for my girls and they love them.
Soft pajamas with beautiful prints. Perfect for slim kids. I sized up. It is a bit see through, but it’s okay.
I wanted to love this as much as loved the rest of my order. The colour is washing out after a couple of washes and it looks like an old garment now.
Cute Jammies, Baby Sprinkle gift for Big Sister! She loves them!
These have a long slim fit which is perfect for my peanut and should I’m hoping to get at least two summers out of them. The fabric is so soft and washes well. All the prints are so cute too. Wish they made the Canada prints in larger sizes.
beautiful gender neutral + soooo soft and cozy. love for all seasons
I love how soft the fabric is — and even better, it’s so much more eco-friendly than bamboo rayon. I discovered TENCEL a few years ago and fell in love with it so when I found out that Loulou Lollipop makes TENCEL Lyocell sleepwear for little ones, I just had to get it! My daughter absolutely loves her jammies!
Literally the softest, most comfy jammies for my granddaughter! She just loves them, especially this beautiful new print. Two of hef favourites… pink and unicorns!
So soft!
My girls have outgrown their smaller set of these pajamas and they are still their favorite cozy pajamas… so I ordered them new sizes and they haven’t taken them off since they arrived. So soft and comfy
Not Available
Love all these series. Wish they'd keep coming up with more patterns
Bought 4T for my almost 3 year old since reviews said to size up. Now it's just really long and super tight. He's sleeping in them tonight because he loves the print. But he was walking funny and tugging at his arms.
These are so cute and was excited to upgrade my toddler to 2pc she's smaller for her age 20 months got the 2T and the arms are so tight and long I'm waiting for her to tell me they are too tight, was hoping they'd last a few months but definitely size up not for length but for width.
Super cute jammies. Very tight (which they are supposed to be) but glad I bought a size up.
Great PJ's for warm summer months. So soft and comfy!
I have bought many of the one piece and two piece pajamas and am excited for the short sleeve sets for my toddler this summer! They are such high quality fabric and I can’t recommend enough. LOULOU is my favourite brand and I will buy the pajamas for as long as my child fits into them! One of few things that are so worth the price
These are my all time favourite pajamas of any brand I’ve tried. They stay looking new after so many washes and they fit for longer than any other brand too. It’s the only ones I’ve found that have a nice long top and the elastic on the pants is so high quality. Cannot recommend enough! I have ordered the space print in every size because it’s my all time favourite!
I keep buying the two piece pj sets because they keep coming out with cute ones! These are a staple for Christmas, birthday, and just because gifts. They are amazing quality and go through 100 washes with no wear. The ones my baby has outgrown are still in excellent condition we've kept for the next one.
I'm pretty particular about colors and patterns but this bunny and strawberry one is PRECIOUS. Classic storybook vibes. And just soft material. Hope we get more cute prints
FAQs
What temperature is this set for?
Why short sleeves but long pants?
True to size?
Designed in Canada
Loulou Lollipop launched in Vancouver in 2014 with one swaddle and one teether.