• Front view of a child wearing a lilac long-sleeve base layer top and matching leggings
  • Close-up of a lilac base layer sleeve with a thumb through the cuff thumbhole
  • Five children standing together in lilac, green and blue spruce long-sleeve base layer sets
  • Oaki children’s base layer size chart: inseam, arm length, chest and waist in inches for sizes 12M to 14/15
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OAKI

Kids' Merino Wool Base Layer, Lilac

Kids' Merino Wool Base Layer, Lilac

$95.00
$ $95.00
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Size: 2T
Size Chart
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Overall rating: 4.8 / 5 from 10 reviews.

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Reviews

Kid approved

"The kid who gets itchy easily liked the feel and loved the color."

— Hazim R. (5/5)

So soft

"These are super soft, seem like very good quality but they are also expensive!"

— Nicole D. (5/5)

Love it! My son finds

"Love it! My son finds it very cozy"

— Jennifer L. (5/5)

So-so

"My children attend an outdoor forest school, so we were looking for a good wool-blend base layer. I decided to splurge on these expensive ones instead of ordering a similar and cheaper version on Amazon. Oaki has always been a well loved brand with the children that attend our forest school. After only a handful of uses, I was disappointed to find that these base layer sets began to pill and small holes developed in areas that were unlikely to be from the kids activity. But it seems that the base layers kept them warm. I reached out to Oaki about this and they were very receptive and immediately replaced the items. I was impressed with their customer service and kindness! Perhaps my pairs were defective—we will be testing out the replacements once the weather gets cold again."

— Liana C. (3/5)

We love Oaki — their new wool sets are the perfect Spring companion

"I chose pink for my girls and although it is not stain resistant, they absolutely lovely the comfort factor and didn’t want to take them off. I ordered 1 size up so they’ll fit this winter, also and it seems it was a good choice. Although the Oaki website says they run big, I would say to go with the standard size, or even size up."

— WAYNNA L. (5/5)

Start cozy, stay cozy.

"As a forest school teacher and parent, these have become my indispensable starting point for my nine and eleven year olds’ cool weather dressing. They have opinions about what they wear and really dislike bulk. These are a great way for me to take the power struggle out of morning dressing. We also love the fleece lined rain pants, but sadly, my eleven year old has sized out of the available options. Which reminds me—I would love to have these base layers and the cozy rain pants available in my size too!!"

— Audrey S. (5/5)

Kids winter clothing

"I believe there is a shortage of quality winter clothing options for the youngest of our kids (toddlers). Without adequate clothing, it becomes much harder to get them outside walking (and crawling) around at the youngest possible ages. I don't believe color matters -- so having just one color option for the youngest sizes would be great -- particularly socks and long underwear. We are pleased with what we got"

— Paul H. (5/5)

Love

"My daughter would be fine wearing this set day and night. Soft, warm, and lightweight."

— Emily S. (5/5)

Great base layer

"We hike a lot and these have been a go to. They are comfortable, reasonably thick and have thumb holes which my kids love. They wash well and have room to grow. Nice set."

— Jessica C. (5/5)

Great base

"These are soft, reasonably thick and comfortable. My kids especially like the thumb holes. They also wash very well. The color is gorgeous and they fit well with room to grow. Great set."

— Jessica C. (5/5)

Q&A

Product Features
Q&A

Oaki Kids’ Merino Wool Thermal Base Layer Set – Premium Base Layer for Warmth, Comfort & Outdoor Adventures

Keep your child warm, dry, and comfortable in any season with the Oaki Kids’ Merino Wool Thermal Set. Made from 100% merino wool fabric, this high‑quality kids’ merino wool base layer is perfect for hiking, skiing, camping, or everyday wear. Naturally moisture‑wicking, odor‑resistant, and breathable, it keeps kids comfortable during active play and outdoor adventures.

Key Features:

  • Soft & Itch‑Free Comfort – Flatlock seam construction prevents chafing and irritation, making it ideal for sensitive skin.
  • All‑Season Thermoregulation – Provides cozy warmth in winter and breathable comfort year‑round.
  • Built‑In Sun Protection – UPF 50+ blocks harmful UV rays for added outdoor safety.
  • Ethically Made – Crafted from mulesing‑free merino wool for sustainability and animal welfare.

Important Note: This set is designed as a base layer for warmth, fit, and fabric performance. Using it as an outer layer voids the product warranty.