---
product_id: 545390919
title: "Boys' Thermal Underwear Long John Set Soft Black Fleece Lined Tops and Bottoms for Kids Boys 2 PCS 4Y-14Y"
brand: "gaziar"
price: "¥22011"
currency: JPY
in_stock: false
reviews_count: 5
category: "Gaziar"
url: https://www.desertcart.jp/products/545390919-boys-thermal-underwear-long-john-set-soft-black-fleece-lined
store_origin: JP
region: Japan
---

# Moisture-wicking & breathable fleece lining 95% Polyester + 5% Spandex thermal blend 4-way stretch for active movement Boys' Thermal Underwear Long John Set Soft Black Fleece Lined Tops and Bottoms for Kids Boys 2 PCS 4Y-14Y

**Brand:** gaziar
**Price:** ¥22011
**Availability:** ❌ Out of Stock

## Summary

> ❄️ Keep your little champion warm, dry, and unstoppable this winter!

## Quick Answers

- **What is this?** Boys' Thermal Underwear Long John Set Soft Black Fleece Lined Tops and Bottoms for Kids Boys 2 PCS 4Y-14Y by gaziar
- **How much does it cost?** ¥22011 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/545390919-boys-thermal-underwear-long-john-set-soft-black-fleece-lined)

## Best For

- gaziar enthusiasts

## Why This Product

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

## Key Features

- • **Freedom to Play:** 4-way stretch fabric moves seamlessly with every adventure
- • **Versatile Base Layer:** Perfect for layering under clothes or cozy pajamas
- • **Ultimate Winter Warmth:** Thickened thermal fabric locks in heat without bulk
- • **Durability Meets Softness:** No pilling or fading after countless washes
- • **Stay Dry, Stay Comfortable:** Advanced moisture-wicking fleece keeps skin fresh all day

## Overview

GAZIAR Boys' Thermal Underwear Set features a premium 95% polyester and 5% spandex blend with a soft fleece lining that provides lightweight yet effective insulation. Designed for active boys aged 4 to 14, this breathable, moisture-wicking base layer offers 4-way stretch flexibility and durable construction that resists pilling and fading, making it ideal for cold-weather activities and everyday wear.

## Description

GAZIAR for long sleeve top and pant set of thermal underwear is best choice for your kids. Super Cozy temperature regulating material with a full cut crew neck can also be worn as pajamas on a chilly night. Quality Manufactured waffle weave shirt and pants with strong seams and ribbed cuffs will keep the heat in and the cold out. Toasty Base Layer wicks moisture away from skin to keep your child warm and dry. Cold Weather Apparel provides a snug fit that moves freely for outdoor activities like skiing, snowshoeing, and hiking. Easy Care – Simply machine wash and dry; Please Reference the Variations for all Available Sizes and Colors.

Review: Quality is too thin. Though it's with fleece, it's still see through when you stretch it.. Don't think it fits outdoor winter well.
Review: Very satisfied that items were on time and my grandson is happy.

## Features

- Thickened Thermal Fabric: The long underwear boys is made from 95% Polyester and 5% Spandex with velvet inside, which can keep your boy warm in cold winter and chilly nights. Our long johns for boys is lightweight in normal thickness, keeps your kids comfortable without feeling bulky
- Air Permeability Not Stuffy : The boys thermal underwear set is hygroscopic and sweat releasing. The fleece lined base layer is moisture wicking. When your child sweats, it can absorb moisture from his skin to avoid any sticky feeling
- Suitable for Any Activities：The toddler long johns set is good for daily wear at home as warm base layer. Besides, the boys wool long underwear is ideal for under clothes when your boys are running, hiking, biking, hunting, skiing, camping etc. Your kids can wear them while doing any activities
- Four Way Stretchable：The stretchy fabric of kids long underwear offers flexibility no matter how active you boys are. The wide-band design of the pants allows us to avoid tension and discomfort, effectively protecting the delicate skin of children
- No Decoloring and Pilling：The boys base layer set washes well in the machine without shrinking or running color. Still comfortable, warm and ultra-soft after many washes

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B07YFSNYKJ |
| Country of Origin  | USA |
| Customer Reviews | 4.4 4.4 out of 5 stars (224) |
| Date First Available  | 10 January 2020 |
| Department  | Boys |
| Item Weight  | 259 g |
| Manufacturer  | GAZIAR |
| Package Dimensions  | 25.39 x 22.8 x 5 cm; 259 g |

## Images

![Boys' Thermal Underwear Long John Set Soft Black Fleece Lined Tops and Bottoms for Kids Boys 2 PCS 4Y-14Y - Image 1](https://m.media-amazon.com/images/I/31sR++hNlYL.jpg)
![Boys' Thermal Underwear Long John Set Soft Black Fleece Lined Tops and Bottoms for Kids Boys 2 PCS 4Y-14Y - Image 2](https://m.media-amazon.com/images/I/412Z9NJjWQL.jpg)
![Boys' Thermal Underwear Long John Set Soft Black Fleece Lined Tops and Bottoms for Kids Boys 2 PCS 4Y-14Y - Image 3](https://m.media-amazon.com/images/I/51POihjyyfL.jpg)
![Boys' Thermal Underwear Long John Set Soft Black Fleece Lined Tops and Bottoms for Kids Boys 2 PCS 4Y-14Y - Image 4](https://m.media-amazon.com/images/I/51VP0LS0hkL.jpg)
![Boys' Thermal Underwear Long John Set Soft Black Fleece Lined Tops and Bottoms for Kids Boys 2 PCS 4Y-14Y - Image 5](https://m.media-amazon.com/images/I/51ku2T7jqRL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐ Review
*by C***B on 6 November 2019*

Quality is too thin. Though it's with fleece, it's still see through when you stretch it.. Don't think it fits outdoor winter well.

### ⭐⭐⭐⭐⭐ Review
*by W***Y on 21 October 2020*

Very satisfied that items were on time and my grandson is happy.

### ⭐⭐⭐⭐ Review
*by L***I on 3 January 2021*

Good quality. Sized to fit.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/545390919-boys-thermal-underwear-long-john-set-soft-black-fleece-lined](https://www.desertcart.jp/products/545390919-boys-thermal-underwear-long-john-set-soft-black-fleece-lined)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-11*