---
product_id: 370647390
title: "SIMIYA Thermal Underwear Set for Women Long Johns Fleece Lined Base Layer"
brand: "simiya"
price: "$71.95"
currency: USD
in_stock: true
reviews_count: 13
category: "Simiya"
url: https://www.desertcart.us/products/370647390-simiya-thermal-underwear-set-for-women-long-johns-fleece-lined
store_origin: US
region: United States of America
---

# Fleece-lined warmth traps heat Premium anti-static, no-shrink fabric 4-way stretch for ultimate mobility SIMIYA Thermal Underwear Set for Women Long Johns Fleece Lined Base Layer

**Brand:** simiya
**Price:** $71.95
**Availability:** ✅ In Stock

## Summary

> ❄️ Stay Warm, Move Freely, Look Effortless — Your Winter Essential!

## Quick Answers

- **What is this?** SIMIYA Thermal Underwear Set for Women Long Johns Fleece Lined Base Layer by simiya
- **How much does it cost?** $71.95 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/370647390-simiya-thermal-underwear-set-for-women-long-johns-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

- • **Move Freely, Stay Stylish:** 4-way stretch fabric adapts to your every move—perfect for work, play, or adventure.
- • **Durability Meets Easy Care:** Machine washable, tagless design, and colorfast fabric keep you looking sharp season after season.
- • **Soft, Sustainable, and Chemical-Free:** Crafted from certified natural fibers with no harsh dyes—comfort without compromise.
- • **Second-Skin Fit for Effortless Layering:** Lightweight and snug, slips seamlessly under any outfit or gear without bulk.
- • **Sunshine Warmth, Even in Freezing Temps:** Fleece lining creates an insulating air layer that keeps you cozy like spring sun rays.

## Overview

The SIMIYA Thermal Underwear Set for Women features a fleece-lined base layer that traps heat efficiently while remaining lightweight and breathable. Made from 95% polyester and 5% elastane, this certified premium fabric is anti-static, shrink-resistant, and free from chemical dyes. Its 4-way stretch design ensures a snug, second-skin fit ideal for layering under winter apparel. Durable and machine washable, this set is perfect for skiing, hiking, or everyday cold-weather comfort.

## Description

Buy SIMIYA Thermal Underwear Set for Women Long Johns Fleece Lined Base Layer | Ultra-Soft Stretchy Long Sleeve Shirts Leggings Top Bottom Cozy Warm for Skiing Hiking Outdoor Winter Cold Weather Lounge Set and other Sets at desertcart.com. Our wide selection is elegible for free shipping and free returns.

Review: Amazing! - Bought these for my ski trip back in March and they worked amazing!! I was warm the entire time wearing these under my ski pants and coat. Super soft and super warm. Fit perfectly. Very durable.
Review: Great thermal underwear at a great price! - These kept me from freezing high up in the Andes! Love them and would buy again! Not too thick or too thin, very comfy.

## Features

- 【Fleece Lined Warmth】The fleece thermal underwear for women forms an air insulation layer through the moisture breathed by the skin, firmly keeping the heat. The soft fleece inner layer is blended with calorific fiber to make you feel as comfortable as bathing in the warm sun of spring even in freezing temperatures.
- 【Premium Soft Fabric】Long johns for women thermal set through the international certification of yarn standards, made by selected natural fabric, no balling-up, no shrinkage, and anti-static. Without the use of chemical dyestuff, a pungent smell is impossible to be here. Fiber is soft to moisture-wicking. Our thermals for women is easy to clean and dry.
- 【Light & Snug Fit】The womens long underwear is lightweight and ultra-soft to become second skin to fit and warm you. Snug fit and not bulky, can be worn under jeans/ski pants. You'll have no burden under a heavy coat when cold. Lying on a sofa at home, working in office suits, or going hiking outdoors, suitable and comfortable wearing experiences let you say goodbye to winter cold.
- 【4-Way Stretch & Comfort】Excellent horizontal and vertical stretch allows for natural movement and no bunch up. Wear our womens thermals top and bottom set in cold weather for hiking, skiing, running, camping, hunting, shopping... Any outdoor activities, just do what you like, SIMIYA thermal base layer lounge set pajama accompanies you always.
- 【Durable & Machine Washable】Super flexible spandex holds its strong extensibility to restrain shrank and being out of shape. Washing color fastness is lasting, so you don't worry about dying fade while washing. Thermal underwear for women is machine washable with a laundry bag. Tagless design prevents skin irritation and enhances all‑day comfort. Great as Christmas, Valentine's, and Thanksgiving gift for women.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09FL1ZJX3 |
| Age Range Description | Adult |
| Apparel Closure Type | Pull On |
| Apparel Fabric Stretch | High Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #11,134 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #3 in Women's Thermal Underwear Sets |
| Brand Name | SIMIYA |
| Care instructions | Machine Wash |
| Collection Name | Winter |
| Color | Black |
| Customer Reviews | 4.6 out of 5 stars 3,037 Reviews |
| Fabric Type | 95% Polyester, 5% Elastane |
| Fabric type | 95% Polyester, 5% Elastane |
| Fit Type | Slim |
| Fit to Size Sentiment | Good |
| Garment Size Country | United States |
| Import Designation | Imported |
| Item Highlight | Ultra-Soft Stretchy Long Sleeve Shirts Leggings Top Bottom Cozy Warm for Skiing Hiking Outdoor Winter Cold Weather Lounge Set |
| Item Type Name | Base Layer Underwear |
| Manufacturer Part Number | 20220804-WU02-10 |
| Material Type | 95% Polyester, 5% Elastane |
| Neck Style | High Neck |
| Number of Items | 2 |
| Origin | Imported |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Size | Small |
| Sleeve Length Description | Long Sleeve |
| Sleeve Type | Long Sleeve |
| Style Name | Warm Seamless |
| Style Number | WU02 |
| Unit Count | 2 Count |

## Images

![SIMIYA Thermal Underwear Set for Women Long Johns Fleece Lined Base Layer - Image 1](https://m.media-amazon.com/images/I/51DVx31QpSL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can I wear this thermal underwear for women under jeans?**
A: That is how I wear them.

**Q: Is this one good for outside with low temperature like -30°?**
A: Yes...just as good or better than any other thermals

**Q: They said it got delivered in my mail box but Its not there and never received it? What can I do?**
A: Contact seller, carrier and Amazon.

**Q: How warm is this womens thermal underwear set? Good for very cold weather?**
A: It’s very good for cold weather as it will keep you warm when outside. Used it in NY in December and it kept us warm the entire time for our stay.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Amazing!
*by A***A on August 4, 2026*

Bought these for my ski trip back in March and they worked amazing!! I was warm the entire time wearing these under my ski pants and coat. Super soft and super warm. Fit perfectly. Very durable.

### ⭐⭐⭐⭐⭐ Great thermal underwear at a great price!
*by M***M on July 21, 2026*

These kept me from freezing high up in the Andes! Love them and would buy again! Not too thick or too thin, very comfy.

### ⭐⭐⭐⭐⭐ Warm, soft, and perfect base layer for cold weather
*by M***S on May 2, 2026*

This thermal underwear set is super soft with a cozy fleece lining that keeps you warm without feeling bulky. The fit is comfortable with good stretch, making it easy to layer under clothes for all day wear. The quality feels solid and it holds up well after washing without losing softness. It’s been especially great for cold weather and outdoor activities where you need reliable warmth.

## Frequently Bought Together

- SIMIYA Thermal Underwear Set for Women Long Johns with Fleece Lined Long Sleeves Base Layer Set Top Bottom
- Arctix Women's Essential Insulated Bib Overalls

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-05*