---
product_id: 568566543
title: "SIMIYA Thermal Underwear Set for Men Long Johns with Fleece Lined Base Layer for Workout Skiing Running Hiking Navy Blue"
brand: "simiya"
price: "¥6201"
currency: JPY
in_stock: true
reviews_count: 13
category: "Simiya"
url: https://www.desertcart.jp/products/568566543-simiya-thermal-underwear-set-for-men-long-johns-with-fleece
store_origin: JP
region: Japan
---

# Breathable & quick-drying fabric 95% polyester blend for superior warmth 4-way stretch for unrestricted movement SIMIYA Thermal Underwear Set for Men Long Johns with Fleece Lined Base Layer for Workout Skiing Running Hiking Navy Blue

**Brand:** simiya
**Price:** ¥6201
**Availability:** ✅ In Stock

## Summary

> ❄️ Elevate your winter game with warmth that moves with you!

## Quick Answers

- **What is this?** SIMIYA Thermal Underwear Set for Men Long Johns with Fleece Lined Base Layer for Workout Skiing Running Hiking Navy Blue by simiya
- **How much does it cost?** ¥6201 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/568566543-simiya-thermal-underwear-set-for-men-long-johns-with-fleece)

## Best For

- simiya enthusiasts

## Why This Product

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

## Key Features

- • **Sweat? What Sweat?:** Advanced moisture-wicking technology keeps you dry and fresh, no matter how intense your activity.
- • **The Ultimate Winter Gift:** A thoughtful, practical present that shows you care about comfort and style in cold weather.
- • **Lightweight Yet Insulating:** Moderate thickness ensures warmth without weighing you down—ideal for skiing, running, or hiking.
- • **Stay Toasty Without the Bulk:** Fleece-lined warmth that feels like a second skin, perfect for winter workouts or casual layering.
- • **Move Freely, Perform Fiercely:** 4-way stretch fabric and fly hole design keep you agile and comfortable all day long.

## Overview

SIMIYA Thermal Underwear Set for Men combines a 95% polyester and 5% elastane blend with fleece lining to deliver lightweight, breathable warmth. Designed with 4-way stretch and a convenient fly hole, it supports active lifestyles from skiing to running. Quick-drying and moisture-wicking, this base layer keeps you dry and comfortable, making it a top-rated choice for winter performance and everyday wear.

## Description

Buy SIMIYA Thermal Underwear Set for Men Long Johns with Fleece Lined Base Layer for Workout Skiing Running Hiking Black and other Bottoms at desertcart.com. Our wide selection is elegible for free shipping and free returns.

Review: nice and warm.... - they fit my son perfectly. the fabric is soft and easy for him to move around when hes outdoors walking or shoveling snow. very comfortable. and they really keep him warm. so it is a very good buy !
Review: Top-notch quality - Amazing product. This is my third buy for my husband and two picky sons. An absolute must for travel to cold places.

## Features

- 【Elasticity & Warmth Material】Thermal underwear mens set is made from a blend of 95% polyester and 5% elastane, ensuring warmth and comfort during winter. The high elasticity allows for easy movement, making it suitable for activities like skiing, football, cycling, and running.
- 【Breathable & Quick-Drying】Featuring breathable and moisture-wicking fabric, base layer mens effectively wicks away sweat, promoting air circulation to prevent overheating and moisture buildup. Even in cold winter weather, it dries quickly after sports or washing.
- 【Light & Formfitting】: These men's thermal underwear sets are lightweight and moderately thick, making them a snug and warm second skin. Heavy coats won't weigh you down when it's cold. Lying on the sofa at home, working in your office suit, or going for a hike outdoors, the comfortable wearing experience allows you to say goodbye to winter bloat.
- 【Fly Hole&4-WAY Stretch】: Tired of onion-like wearing?We specially designed a fly hole for men, so that you can answer a call of nature conveniently; A sports lover can’t stand the feeling of whole-body constraint. 4-WAY stretch design give you unrestrained back.
- 【The Perfect Present】In the cold winter, warmth is the best present you can give.This men's thermal underwear, designed for chilly weather, makes an excellent winter gear choice for various activities. It's the ideal birthday, holiday, and Christmas present for friends and family.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0CDQ3Q6XL |
| Best Sellers Rank | #41,997 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #46 in Men's Thermal Underwear Bottoms |
| Customer Reviews | 4.4 4.4 out of 5 stars (697) |
| Date First Available  | August 4, 2023 |
| Department  | mens |
| Item model number  | WU15 |
| Package Dimensions  | 1 x 1 x 1 inches; 1 ounces |

## Images

![SIMIYA Thermal Underwear Set for Men Long Johns with Fleece Lined Base Layer for Workout Skiing Running Hiking Navy Blue - Image 1](https://m.media-amazon.com/images/I/319Koq8GMEL.jpg)
![SIMIYA Thermal Underwear Set for Men Long Johns with Fleece Lined Base Layer for Workout Skiing Running Hiking Navy Blue - Image 2](https://m.media-amazon.com/images/I/41CsYLrn6pL.jpg)
![SIMIYA Thermal Underwear Set for Men Long Johns with Fleece Lined Base Layer for Workout Skiing Running Hiking Navy Blue - Image 3](https://m.media-amazon.com/images/I/41MkI9WmvhL.jpg)
![SIMIYA Thermal Underwear Set for Men Long Johns with Fleece Lined Base Layer for Workout Skiing Running Hiking Navy Blue - Image 4](https://m.media-amazon.com/images/I/41WB3GotL0L.jpg)
![SIMIYA Thermal Underwear Set for Men Long Johns with Fleece Lined Base Layer for Workout Skiing Running Hiking Navy Blue - Image 5](https://m.media-amazon.com/images/I/41XFddYFKnL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ nice and warm....
*by L***A on December 18, 2025*

they fit my son perfectly. the fabric is soft and easy for him to move around when hes outdoors walking or shoveling snow. very comfortable. and they really keep him warm. so it is a very good buy !

### ⭐⭐⭐⭐⭐ Top-notch quality
*by A***A on January 11, 2026*

Amazing product. This is my third buy for my husband and two picky sons. An absolute must for travel to cold places.

### ⭐⭐⭐⭐⭐ Decent quality would buy again
*by A***R on December 6, 2025*

feels all warm and fuzzy on the inside not what i was expecting i was expecting it to feel synthetic great quality and it hugs your body nice like a thin warm blanket would buy again

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**Shop now:** [https://www.desertcart.jp/products/568566543-simiya-thermal-underwear-set-for-men-long-johns-with-fleece](https://www.desertcart.jp/products/568566543-simiya-thermal-underwear-set-for-men-long-johns-with-fleece)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-31*