---
product_id: 790235296
title: "FITEXTREME MAXHEAT Mens Thermal Underwear Long Johns Set with Fleece Lined"
brand: "fitextreme"
price: "฿6693"
currency: THB
in_stock: true
reviews_count: 5
category: "Fitextreme"
url: https://www.desertcart.co.th/products/790235296-fitextreme-maxheat-mens-thermal-underwear-long-johns-set-with-fleece
store_origin: TH
region: Thailand
---

# Stretchy, fitted design Max heat retention Fleece-lined comfort FITEXTREME MAXHEAT Mens Thermal Underwear Long Johns Set with Fleece Lined

**Brand:** fitextreme
**Price:** ฿6693
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your winter game with FITEXTREME MAXHEAT – warmth that moves with you!

## Quick Answers

- **What is this?** FITEXTREME MAXHEAT Mens Thermal Underwear Long Johns Set with Fleece Lined by fitextreme
- **How much does it cost?** ฿6693 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/790235296-fitextreme-maxheat-mens-thermal-underwear-long-johns-set-with-fleece)

## Best For

- fitextreme enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Care:** Durable polyester blend is machine washable and quick-drying
- • **Stay Toasty All Day:** Advanced fleece lining locks in warmth without bulk
- • **Perfect Fit, Every Time:** Ergonomic stretch fabric adapts to your body for all-day comfort
- • **Trusted Quality from Korea:** Officially registered FITEXTREME brand known for premium thermal wear
- • **Versatile Layering Essential:** Ideal for winter workouts, outdoor adventures, or cozy office days

## Overview

FITEXTREME MAXHEAT Men's Thermal Underwear Long Johns Set features a 92% polyester and 8% polyurethane blend with a performance fleece lining for superior thermal retention. Designed with a fitted, stretchy cut and elastic fastening, this machine-washable set offers all-day comfort and warmth, making it a top choice for cold-weather layering. Officially registered and highly rated, it combines Korean quality with practical style.

## Description

PLEASE REFER TO IMAGE of ACTUAL MEASUREMENT on Left Side in advance of your purchase Please pick proper option you want (Ex. If you need bottom only, please choose bottom only option)FBA Shipment is Available on the item marked as (Fulfilled by desertcart) If you have any problem on your item or delivery, Please Contact us via Email in advance of claim on desertcart, Then we will provide you reasonable solution quickly to solve your problem FITEXTREME is One of most Popular Underwear Brands in South Korea Reasonable Price and Satisfactory Quality, Made of Fine and Optimum Material for each Purpose of Clothes FITEXTREME Thermal Underwear will be the best Choice for Thermal Retention in WinterFITEXTREME is officially registered Trade mark (Reg. No. 5337089 US PTO)FITEXTREME is sole official Seller who sell FITEXTREME Brand item

Review: Perfect fit for me. 32w 5’10”. Keeps me very warm. Stretchy and comfy.
Review: لم استلم الا الفنيله السروال غير موجود

## Features

- 92% Polyester, 8% Polyurethane
- Machine Wash
- Fastening: Elastic
- Performance Fleece Lined Thermal
- fitted, fitted Regular
- Long Sleeve
- LYSB017SJK7ZI-SPRTSEQIP

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0844WF93Y |
| Best Sellers Rank | 2,546,220 in Fashion ( See Top 100 in Fashion ) 2,695 in Men's Thermal Underwear |
| Customer reviews | 4.4 4.4 out of 5 stars (5,515) |
| Date First Available  | 10 Nov. 2015 |
| Department  | Men's |

## Images

![FITEXTREME MAXHEAT Mens Thermal Underwear Long Johns Set with Fleece Lined - Image 1](https://m.media-amazon.com/images/I/31Bg0CSnCVL.jpg)
![FITEXTREME MAXHEAT Mens Thermal Underwear Long Johns Set with Fleece Lined - Image 2](https://m.media-amazon.com/images/I/41Rszj9-Y7L.jpg)
![FITEXTREME MAXHEAT Mens Thermal Underwear Long Johns Set with Fleece Lined - Image 3](https://m.media-amazon.com/images/I/41YiDvraT8L.jpg)
![FITEXTREME MAXHEAT Mens Thermal Underwear Long Johns Set with Fleece Lined - Image 4](https://m.media-amazon.com/images/I/41pqfr4mWbL.jpg)
![FITEXTREME MAXHEAT Mens Thermal Underwear Long Johns Set with Fleece Lined - Image 5](https://m.media-amazon.com/images/I/51Y7zMLnYWL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***5 on 8 December 2025*

Perfect fit for me. 32w 5’10”. Keeps me very warm. Stretchy and comfy.

### ⭐ Review
*by A***Z on 12 February 2023*

لم استلم الا الفنيله السروال غير موجود

### ⭐⭐⭐⭐⭐ Review
*by J***N on 25 December 2016*

Wore this item in Harbin, China at Ice Festival - was snug as a bug in a rug!!

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**Shop now:** [https://www.desertcart.co.th/products/790235296-fitextreme-maxheat-mens-thermal-underwear-long-johns-set-with-fleece](https://www.desertcart.co.th/products/790235296-fitextreme-maxheat-mens-thermal-underwear-long-johns-set-with-fleece)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-24*