---
product_id: 533774113
title: "SIMIYA Thermal Underwear Set for Women Long Johns Fleece Lined Base Layer"
brand: "simiya"
price: "$48.25"
currency: USD
in_stock: true
reviews_count: 13
category: "Simiya"
url: https://www.desertcart.us/products/533774113-simiya-thermal-underwear-set-for-women-long-johns-fleece-lined
store_origin: US
region: United States of America
---

# Fleece insulation locks heat Certified natural, anti-static fabric 4-way stretch for ultimate mobility SIMIYA Thermal Underwear Set for Women Long Johns Fleece Lined Base Layer

**Brand:** simiya
**Price:** $48.25
**Availability:** ✅ In Stock

## Summary

> ❄️ Stay warm, move free, and never miss a moment!

## Quick Answers

- **What is this?** SIMIYA Thermal Underwear Set for Women Long Johns Fleece Lined Base Layer by simiya
- **How much does it cost?** $48.25 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/533774113-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

- • **Durability Meets Elegance:** Spandex-enhanced fabric resists shrinking and fading, ensuring your thermal set stays fresh and flawless wash after wash.
- • **Move Freely, Stay Stylish:** 4-way stretch fabric adapts to your every move—perfect for office days, outdoor adventures, or lounging at home.
- • **Sunshine Warmth All Winter:** Fleece lining creates a cozy air layer that traps heat like a warm spring day, even in freezing temps.
- • **Pure Comfort, No Compromise:** Crafted from internationally certified natural fibers—soft, moisture-wicking, and free from harsh chemicals or odors.
- • **Light as Air, Fits Like Skin:** Ultra-lightweight and formfitting design lets you layer effortlessly without bulk or restriction.

## Overview

The SIMIYA Thermal Underwear Set for Women features a fleece-lined base layer that traps heat efficiently, made from certified natural, anti-static fabric with no chemical dyes. Its lightweight, formfitting design and 4-way stretch ensure comfort and unrestricted movement, while durable spandex maintains shape and color through multiple washes. Ideal for cold weather activities or everyday wear, this set combines technical performance with cozy style.

## 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: Soft and cozy - I’m really happy with this thermal underwear set. The material feels soft, comfortable, and warm without being overly thick. It fits nicely under clothes and is perfect for layering during cold weather. I also like that it’s flexible and easy to move around in. It’s a great basic set to have for chilly mornings, traveling, or outdoor activities.
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.

## 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 | B09FKZX21P |
| Age Range Description | Adult |
| Apparel Closure Type | Pull On |
| Apparel Fabric Stretch | High Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #7,626 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #5 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 3,086 Reviews |
| Fabric Type | 95% Polyester, 5% Elastane |
| Fabric type | 95% Polyester, 5% Elastane |
| Fit Type | Regular |
| Fit to Size Sentiment | True to Size |
| 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-WU02-15 |
| Material Type | 95% Polyester, 5% Elastane |
| Neck Style | Crew Neck |
| Number of Items | 2 |
| Origin | Imported |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Size | 3X-Large |
| 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Soft and cozy
*by D***E on September 25, 2026*

I’m really happy with this thermal underwear set. The material feels soft, comfortable, and warm without being overly thick. It fits nicely under clothes and is perfect for layering during cold weather. I also like that it’s flexible and easy to move around in. It’s a great basic set to have for chilly mornings, traveling, or outdoor activities.

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ 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 Insulated Snow Pants

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-10-11*