---
product_id: 767200043
title: "WEERTI Thermal Underwear for Men Long Johns with Fleece Lined Base Layer Men Cold Weather Top Bottom"
brand: "weerti"
price: "S$125"
currency: SGD
in_stock: true
reviews_count: 5
category: "Weerti"
url: https://www.desertcart.sg/products/767200043-weerti-thermal-underwear-for-men-long-johns-with-fleece-lined
store_origin: SG
region: Singapore
---

# Locks in body heat all day Ultra-soft fleece lining 4-way stretch for full mobility WEERTI Thermal Underwear for Men Long Johns with Fleece Lined Base Layer Men Cold Weather Top Bottom

**Brand:** weerti
**Price:** S$125
**Availability:** ✅ In Stock

## Summary

> ❄️ Elevate your cold-weather game with WEERTI’s thermal armor—comfort that moves with you!

## Quick Answers

- **What is this?** WEERTI Thermal Underwear for Men Long Johns with Fleece Lined Base Layer Men Cold Weather Top Bottom by weerti
- **How much does it cost?** S$125 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/767200043-weerti-thermal-underwear-for-men-long-johns-with-fleece-lined)

## Best For

- weerti enthusiasts

## Why This Product

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

## Key Features

- • **Freedom to Move:** Engineered with four-way stretch fabric to keep you agile and unrestricted—perfect for active lifestyles.
- • **All-Day Thermal Lock:** Stay warm from dawn to dusk with advanced heat retention that outperforms ordinary base layers.
- • **Cloud-Like Fleece Comfort:** Experience premium softness that pampers your skin, making cold days feel cozy and luxurious.
- • **Sweat-Wicking & Odor Control:** Breathable fabric that keeps you dry and fresh whether at the office, gym, or outdoor adventures.
- • **Versatile Layering Essential:** Seamlessly pairs under any outfit or doubles as stylish loungewear—your winter wardrobe MVP.

## Overview

WEERTI Thermal Underwear for Men is a lightweight, fleece-lined base layer designed to lock in warmth while offering superior flexibility through four-way stretch fabric. Its breathable, moisture-wicking polyester blend keeps you dry and odor-free, making it ideal for layering under any outfit or wearing solo as cozy loungewear. Perfect for cold weather, this set combines durability, comfort, and performance to keep you warm and active all day.

## Description

Stay warm and comfortable with our mens long johns set, the perfect base layer men cold weather needs. This men's thermal underwear top and bottom set features ultra-soft fleece lining that locks in body heat for lasting warmth without bulk. Made with four-way stretch fabric, this men thermal set delivers a flexible fit that moves with you—no restriction, no bunching—so you can stay active all day. Breathable material quickly wicks away sweat and helps control odor, keeping you dry and fresh whether at home, office, gym, or outdoors. Lightweight yet insulating, these mens long underwear pieces are ideal for layering under any outfit or wearing as cozy pajamas. Durable, soft, and versatile, they’re built to keep you warm, dry, and comfortable through every cold-weather moment.

Review: Warm, Snug, and Better Than I Expected - I grabbed these WEERTI thermal long johns for cold days and they’ve honestly become my default base layer once the temps drop. The inside fleece is very soft and cozy, and the fabric has enough stretch that I can move around, bend, and sit without feeling restricted or like the seams are fighting me. They fit close to the body, more like a second skin, which helps keep warmth in, but it also means you may want to size up if you’re between sizes or don’t like anything too tight. I’ve worn them under jeans and work pants outside and also just as loungewear at home, and they’ve kept me warm without getting overly sweaty thanks to the moisture‑wicking fabric. ​ They’re not perfect, though. The waistband and cuffs can feel a little snug after a full day, and if you run hot or spend a lot of time indoors, you might find yourself getting warmer than you’d like. The material is synthetic, so if you’re used to merino wool base layers, this won’t feel as “premium,” but for the price it’s hard to complain. Overall, these are a solid, comfortable option for everyday winter wear, especially if you just need something dependable for walking the dog, commuting, or working outside in the cold. ​
Review: Para mi es muy importante porque hago desertcart flex delibre y hace mucho frío - Me gusta

## Features

- All-Day Warmth: These long johns for men thermal lock in body heat for lasting warmth, keeping you comfortable through cold days as your reliable base layer all season long.
- Ultra-Soft Fleece: Made with premium fleece lining, this mens thermals top and bottom set provides a soft feel on the skin and lasting comfort from morning to night.
- Flexible Fit: Made with four-way stretch fabric, these long underwear mens deliver full mobility and comfort with no restriction or bunching, keeping you warm in all your activities.
- Dry Comfort Anywhere: These thermals for men are made of breathable fabric that quickly wicks away sweat and controls odor, keeping you dry and comfortable at home, office, gym, or outdoors.
- Layering Essential: This men's thermal underwear top and bottom set is a must-have base layer for cold weather. Layer under any outfit or wear as cozy pajamas for all-day warmth and comfort.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08ZKFHP7Q |
| Age Range Description | Adult |
| Apparel Fabric Stretch | High Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | 1,413,354 in Fashion ( See Top 100 in Fashion ) 570 in Men's Thermal Sets |
| Brand Name | WEERTI |
| Care instructions | Machine Wash |
| Closure Type | Pull On |
| Colour | Charcoal |
| Customer Reviews | 4.6 out of 5 stars 13,467 Reviews |
| Fabric Type | Fleece,Polyester,Spandex,Wool |
| Fit Type | Loose, fitted |
| Fit to Size Sentiment | True |
| Garment Size Country | United States |
| Manufacturer | WEERTI |
| Material Type | Polyester |
| Material composition | 92% Polyester, 8% Elastane |
| Neck Style | Crew Neck |
| Number of Items | 2 |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Season and Collection Year | Winter |
| Size | 4XL |
| Sleeve Type | Long Sleeve |
| UPC | 746198659681 |
| Unit Count | 2.0 count |

## Images

![WEERTI Thermal Underwear for Men Long Johns with Fleece Lined Base Layer Men Cold Weather Top Bottom - Image 1](https://m.media-amazon.com/images/I/61Pxg1rc+rL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Warm, Snug, and Better Than I Expected
*by S***N on 4 March 2026*

I grabbed these WEERTI thermal long johns for cold days and they’ve honestly become my default base layer once the temps drop. The inside fleece is very soft and cozy, and the fabric has enough stretch that I can move around, bend, and sit without feeling restricted or like the seams are fighting me. They fit close to the body, more like a second skin, which helps keep warmth in, but it also means you may want to size up if you’re between sizes or don’t like anything too tight. I’ve worn them under jeans and work pants outside and also just as loungewear at home, and they’ve kept me warm without getting overly sweaty thanks to the moisture‑wicking fabric. ​ They’re not perfect, though. The waistband and cuffs can feel a little snug after a full day, and if you run hot or spend a lot of time indoors, you might find yourself getting warmer than you’d like. The material is synthetic, so if you’re used to merino wool base layers, this won’t feel as “premium,” but for the price it’s hard to complain. Overall, these are a solid, comfortable option for everyday winter wear, especially if you just need something dependable for walking the dog, commuting, or working outside in the cold. ​

### ⭐⭐⭐⭐⭐ Para mi es muy importante porque hago Amazon flex delibre y hace mucho frío
*by M***. on 8 November 2023*

Me gusta

### ⭐⭐⭐⭐⭐ Lindos
*by M***S on 2 December 2025*

De buena calidad y cómodos.

## Frequently Bought Together

- WEERTI Thermal Underwear for Men Long Johns with Fleece Lined, Base Layer Men Cold Weather Top Bottom
- Thermajohn Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather
- ihuan Winter Waterproof Ski Gloves Men Women, Snow Warm Cycling Cold Weather, Driving Biking Running

---

## 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.sg/products/767200043-weerti-thermal-underwear-for-men-long-johns-with-fleece-lined](https://www.desertcart.sg/products/767200043-weerti-thermal-underwear-for-men-long-johns-with-fleece-lined)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-01*