---
product_id: 790235296
title: "MAXHEAT Mens Thermal Underwear Long Johns Set with Fleece Lined"
brand: "fitextreme"
price: "¥7601"
currency: JPY
in_stock: true
reviews_count: 5
category: "Fitextreme"
url: https://www.desertcart.jp/products/790235296-maxheat-mens-thermal-underwear-long-johns-set-with-fleece-lined
store_origin: JP
region: Japan
---

# Elastic waistband for all-day comfort 92% Polyester for superior warmth Fleece-lined for ultimate thermal retention MAXHEAT Mens Thermal Underwear Long Johns Set with Fleece Lined

**Brand:** fitextreme
**Price:** ¥7601
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your winter game with unmatched warmth and sleek fit!

## Quick Answers

- **What is this?** MAXHEAT Mens Thermal Underwear Long Johns Set with Fleece Lined by fitextreme
- **How much does it cost?** ¥7601 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/790235296-maxheat-mens-thermal-underwear-long-johns-set-with-fleece-lined)

## 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:** Machine washable fabric keeps it fresh and ready
- • **Stay Toasty All Day:** Performance fleece lining traps heat without bulk
- • **Trusted Brand Quality:** FITEXTREME, South Korea’s top thermal underwear choice
- • **Winter-Ready Durability:** Polyester-polyurethane blend resists wear and tear
- • **Perfect Fit, Zero Hassle:** Fitted design with elastic closure adapts to your body

## Overview

MAXHEAT Men's Thermal Underwear Long Johns Set features a high-performance fleece lining and a 92% polyester blend for superior warmth and durability. Designed with a fitted cut and elastic waistband, it ensures comfort and flexibility during cold seasons. Machine washable and crafted by FITEXTREME, a trusted South Korean brand, this set is your essential winter base layer for staying warm without sacrificing 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 Winter FITEXTREME is officially registered Trade mark (Reg. No. 5337089 US PTO) FITEXTREME is sole official Seller who sell FITEXTREME Brand item

Review: Highly recommend - Perfect fit for me. 32w 5’10”. Keeps me very warm. Stretchy and comfy.
Review: لم استلم الا الفنيله السروال غير موجود - 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 | B017SJK7ZI |
| Age Range Description | Adult |
| Best Sellers Rank | 2,779,983 in Fashion ( See Top 100 in Fashion ) 2,738 in Men's Thermal Underwear |
| Brand Name | FITEXTREME |
| Care instructions | Machine Wash |
| Closure Type | Elastic |
| Colour | A Sporty Set_black |
| Customer Reviews | 4.4 out of 5 stars 5,548 Reviews |
| Fabric Type | 92% Polyester, 8% Polyurethane |
| Fit Type | fitted, fitted Regular |
| Manufacturer Part Number | LYSB017SJK7ZI-SPRTSEQIP |
| Material Type | Polyester Blend |
| Material composition | 92% Polyester, 8% Polyurethane |
| Model Number | LYSB017SJK7ZI-SPRTSEQIP |
| Neck Style | Crew Neck |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Season and Collection Year | Winter |
| Size | M |
| Sleeve Type | Long Sleeve |
| Style Name | Performance Fleece Lined Thermal |
| item-package-quantity | 1 |

## Images

![MAXHEAT Mens Thermal Underwear Long Johns Set with Fleece Lined - Image 1](https://m.media-amazon.com/images/I/611r2ILgx7L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Highly recommend
*by J***5 on 8 December 2025*

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

### ⭐ لم استلم الا الفنيله السروال غير موجود
*by A***Z on 12 February 2023*

لم استلم الا الفنيله السروال غير موجود

### ⭐⭐⭐⭐⭐ Five Stars
*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.jp/products/790235296-maxheat-mens-thermal-underwear-long-johns-set-with-fleece-lined](https://www.desertcart.jp/products/790235296-maxheat-mens-thermal-underwear-long-johns-set-with-fleece-lined)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-13*