---
product_id: 572298089
title: "Thermal Underwear Set for Men Long Johns with Fleece Lined Base Layer for Workout Skiing Running Hiking Navy Blue"
brand: "simiya"
price: "₩49075"
currency: KRW
in_stock: true
reviews_count: 13
category: "Simiya"
url: https://www.desertcart.kr/products/572298089-thermal-underwear-set-for-men-long-johns-with-fleece-lined
store_origin: KR
region: South Korea
---

# Breathable, moisture-wicking & quick-dry fabric 95% polyester + 5% elastane for warmth & stretch 4-way stretch & fly hole for ultimate mobility Thermal Underwear Set for Men Long Johns with Fleece Lined Base Layer for Workout Skiing Running Hiking Navy Blue

**Brand:** simiya
**Price:** ₩49075
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 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?** ₩49075 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/572298089-thermal-underwear-set-for-men-long-johns-with-fleece-lined)

## 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

- • **Dry Fast, Stay Fresh:** Advanced moisture-wicking technology keeps sweat away and dries quickly, so you stay comfortable all day.
- • **The Gift of Warmth & Style:** A sleek navy blue base layer that’s both functional and fashionable—ideal for gifting to the active men in your life.
- • **Move Freely, Perform Better:** 4-way stretch fabric and elastic fit ensure unrestricted motion during 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.
- • **Convenient Design for Real Life:** Built-in fly hole means no extra layers to peel off—effortless bathroom breaks on the go.

## Overview

SIMIYA Thermal Underwear Set for Men combines a high-performance blend of 95% polyester and 5% elastane with fleece lining to deliver superior warmth and flexibility. Designed for active lifestyles, it features breathable, moisture-wicking fabric that dries quickly, a 4-way stretch fit for unrestricted movement, and a practical fly hole for convenience. Perfect for skiing, running, hiking, or everyday winter wear, this navy blue base layer is a top-rated choice for comfort and functionality.

## Description

Buy SIMIYA Thermal Underwear Set for Men Long Johns with Fleece Lined Base Layer for Workout Skiing Running Hiking Navy Blue 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 | #34,700 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #58 in Men's Thermal Underwear Bottoms |
| Customer Reviews | 4.4 4.4 out of 5 stars (713) |
| Date First Available  | August 4, 2023 |
| Department  | mens |
| Item model number  | WU15 |
| Package Dimensions  | 1 x 1 x 1 inches; 1 ounces |

## Images

![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/61jrmqVy+6L.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.kr/products/572298089-thermal-underwear-set-for-men-long-johns-with-fleece-lined](https://www.desertcart.kr/products/572298089-thermal-underwear-set-for-men-long-johns-with-fleece-lined)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-27*