---
product_id: 160841045
title: "MANCYFITThermal Underwear for Boys Fleece Lined Long Johns Set Kids Base Layer Ultra Soft"
brand: "mancyfit"
price: "₩79975"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/160841045-mancyfitthermal-underwear-for-boys-fleece-lined-long-johns-set-kids
store_origin: KR
region: South Korea
---

# 95% Polyester Fleece Lined 4-way Stretch MANCYFITThermal Underwear for Boys Fleece Lined Long Johns Set Kids Base Layer Ultra Soft

**Brand:** mancyfit
**Price:** ₩79975
**Availability:** ✅ In Stock

## Summary

> Stay Warm, Play Hard! ❄️

## Quick Answers

- **What is this?** MANCYFITThermal Underwear for Boys Fleece Lined Long Johns Set Kids Base Layer Ultra Soft by mancyfit
- **How much does it cost?** ₩79975 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/160841045-mancyfitthermal-underwear-for-boys-fleece-lined-long-johns-set-kids)

## Best For

- mancyfit enthusiasts

## Why This Product

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

## Key Features

- • **Winter Ready:** Designed to keep your child warm during all their winter adventures.
- • **All-in-One Set:** Includes a cozy long sleeve top and full-length pants for complete coverage.
- • **Ultra Soft Comfort:** Experience the ultimate softness with our skin-touch fabric blend.
- • **Hassle-Free Shopping:** Enjoy fast shipping and a flexible return policy for peace of mind.
- • **Essential Wardrobe Piece:** A must-have for layering under any outfit this season.

## Overview

MANCYFIT Thermal Underwear for Boys is a fleece-lined long johns set made from a soft and stretchy polyester-spandex blend. This ultra-soft base layer includes a long sleeve top and full-length pants, designed to keep kids warm and comfortable during cold weather activities. With a focus on quality and convenience, it features a flexible return policy and fast shipping.

## Description

Full description not available

## Features

- 95% Polyester, 5% Spandex
- Imported
- Machine Wash
- 🌟【Model Size】Age 7, X-Small, Height: 4.06 ft. closure
- Machine Wash
- 💎【ULTRA SOFT & WARM FABRIC】 Made of 95% Polyester + 5% Spandex blend skin-touch fabric, these boys thermal underwear set ultra soft and moisture wicking. The latest 4-way stretchy material of long johns for boys provides a breathable and comfortable fit.
- 💎【TOP & BOTTOM INCLUDED】 Kids thermal underwear set consists of a long sleeve crew neck fleece top and full length thermal pants with elastic waistband, offers free movement. Kids will feel relaxed with these perfectly hidden long johns base layer thermal set.
- 💎【KEEP WARM IN NICE FLEECE】Perfect for cold weather, our boys long underwear in normal thickness will keep children’s body in a comfortable temperature, add warmth and reduce heat loss. These thermal for kids works excellently during their winter outdoor activities.
- 💎【LONG UNDERWEAR FOR KIDS WARDROBE】 Classic thermal long underwear must be your little boys essential piece in this cold winter, a perfect thermal underwear under clothes to meet different fashion.
- 💎【FAST SHIPPING & FLEXIBLE RETURN POLICY】 100% Product guarantee, add these thermal underwear for boys to your cart by clicking the "Add-to-cart" Button while you will own a 30-day, full-money-back warranty and can be returned or exchanged if you are unsatisfied on this item.

## Images

![MANCYFITThermal Underwear for Boys Fleece Lined Long Johns Set Kids Base Layer Ultra Soft - Image 1](https://m.media-amazon.com/images/I/517+iLmT0PL.jpg)
![MANCYFITThermal Underwear for Boys Fleece Lined Long Johns Set Kids Base Layer Ultra Soft - Image 2](https://m.media-amazon.com/images/I/81u3UQnnkHL.jpg)
![MANCYFITThermal Underwear for Boys Fleece Lined Long Johns Set Kids Base Layer Ultra Soft - Image 3](https://m.media-amazon.com/images/I/71OxjgVhlzL.jpg)
![MANCYFITThermal Underwear for Boys Fleece Lined Long Johns Set Kids Base Layer Ultra Soft - Image 4](https://m.media-amazon.com/images/I/71Z8HsVYDZL.jpg)
![MANCYFITThermal Underwear for Boys Fleece Lined Long Johns Set Kids Base Layer Ultra Soft - Image 5](https://m.media-amazon.com/images/I/51kC2DLAv8L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: What happens if your missing a peice?? My sons set came without the pants.**
A: Contact the seller and/or Amazon for a replacement or the missing piece

**Q: My son is 13, normal size is large. About 100 pounds. What size?**
A: These will not fit. I would purchase an adult size elsewhere. I got a large for my 11 year old and they fit my 6 year old.

**Q: What size is closest to T4?**
A: Dear Customer,
We would recommend size xs for T4. Please refer to the size guide in the picture for more size information of MANCYFIT Thermal underwear for kids.
Our long johns set is made of super soft and lightweight fabric and perfect for kids to wear under  clothes.
Enjoy your shopping and hope you like our product and service!

**Q: What son wears a size 12-14 in pants because he is tall but slim what size to get? My daughter wears size 10, what size to get?**
A: Dear customer,
Please refer to the size guide in the picture about the measurement of our thermal underwear set. Also you can take the model photo as a reference. Our model is 4.06 ft and wearing a size in xs.
Our Thermal Underwear set is ultra soft. Wearing this thermal long underwear will keep your kid in a comfortable temperature and kids will feel relaxed with these perfectly
Enjoy your shopping and hope you like our product and service!

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**Shop now:** [https://www.desertcart.kr/products/160841045-mancyfitthermal-underwear-for-boys-fleece-lined-long-johns-set-kids](https://www.desertcart.kr/products/160841045-mancyfitthermal-underwear-for-boys-fleece-lined-long-johns-set-kids)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-03*