---
product_id: 99054103
title: "Boy's Thermal Underwear Set Long John Skin Base Layer Tops and Bottom with Fleece Lined"
brand: "diyo"
price: "¥7777"
currency: JPY
in_stock: true
category: "Apparel"
url: https://www.desertcart.jp/products/99054103-boys-thermal-underwear-set-long-john-skin-base-layer-tops
store_origin: JP
region: Japan
---

# Boy's Thermal Underwear Set Long John Skin Base Layer Tops and Bottom with Fleece Lined

**Brand:** diyo
**Price:** ¥7777
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Boy's Thermal Underwear Set Long John Skin Base Layer Tops and Bottom with Fleece Lined by diyo
- **How much does it cost?** ¥7777 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/99054103-boys-thermal-underwear-set-long-john-skin-base-layer-tops)

## Best For

- diyo enthusiasts

## Why This Product

- Trusted diyo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

About this Product:&#xA758; 2 piece set: 1 long sleeve top + 1 full length bottom&#xA758; 90% ultra-soft polyester, 10% spandex+Slightly fleece lined &#xA758; Crew Neck and Elastic Waistband&#xA758; Shrinkage controlled for lasting size and shape&#xA758; Slightly fleece lined &#xA758; Ergonomics DesignMeasurements:&#xA758; Tag Size 22 / 5 : Height 40&quot;-45&quot; Weight 40lbs-45lbs &#xA758; Tag Size 24 / 7: Height 45&quot;-49&quot; Weight 46lbs-55lbs&#xA758; Tag Size 26 / 10:Height 49&quot;-53&quot; Weight 56lbs-72lbs&#xA758; Tag Size 28 / 12: Height 53&quot;-57&quot; Weight 73lbs-88lbs&#xA758; Tag Size 30 / 14: Height 57&quot;-61&quot; Weight 90lbs-100lbs &#xA758; If your kids don&apos;t like tight style, choose size one bigger &#xA758; It is made of the high quality, moisture management fabrics that absorb sweat and accelerate the drying period!&#xA758; Thanks to its lightweight material and fast drying ability it stays always lightweight and never affects your kids performance! &#xA758; Helps in the maintenance of a comfortable temperature both on summer and winter Perfect fit to the body.&#xA758;Suit For All Kids Outdoor Sports Underwear,Sun Screen,Protect Skin Dry and Not Hurt.

## Features

- Material: Made from Polyester and spandex+Slightly fleece lined inside Blend these have the perfect blend of comfort, warmth, elasticity, and moisture protection.
- Strong 4-way Stretch allows greater mobility in any direction, Suit for all kids outdoor sports underwear.
- Anti-odor, anti-static, quick-dry and moisture-wicking fabric can transport sweat away from the skin fast. In Fall or Winter,Keep Cold Air Away From Children Body and not lose away.
- Great for skiing,snowboarding,training,competing and all weather indoor outdoor sports and activities .
- Base Layers:These are perfect for use underneath clothing or for a day out,chilly nights.use this set under your clothing to keep warm and cozy in freezing cold climates or bad weather.

## Images

![Boy's Thermal Underwear Set Long John Skin Base Layer Tops and Bottom with Fleece Lined - Image 1](https://images-na.ssl-images-amazon.com/images/I/31OX3wq90gL.jpg)
![Boy's Thermal Underwear Set Long John Skin Base Layer Tops and Bottom with Fleece Lined - Image 2](https://images-na.ssl-images-amazon.com/images/I/31a6M9aPQ-L.jpg)
![Boy's Thermal Underwear Set Long John Skin Base Layer Tops and Bottom with Fleece Lined - Image 3](https://images-na.ssl-images-amazon.com/images/I/41Kkvx3Vw%2BL.jpg)
![Boy's Thermal Underwear Set Long John Skin Base Layer Tops and Bottom with Fleece Lined - Image 4](https://images-na.ssl-images-amazon.com/images/I/31NYN6fh37L.jpg)
![Boy's Thermal Underwear Set Long John Skin Base Layer Tops and Bottom with Fleece Lined - Image 5](https://images-na.ssl-images-amazon.com/images/I/41mvNapxPeL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/99054103-boys-thermal-underwear-set-long-john-skin-base-layer-tops](https://www.desertcart.jp/products/99054103-boys-thermal-underwear-set-long-john-skin-base-layer-tops)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-09*