Is this one good for outside with low temperature like -30°?

Yes...just as good or better than any other thermals

They said it got delivered in my mail box but Its not there and never received it? What can I do?

Contact seller, carrier and Amazon.

How warm is this womens thermal underwear set? Good for very cold weather?

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.

Simiya Thermal Underwear Set For Women Long Johns Fleece Lined

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

$45.30

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Description

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

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.

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.

Specifications

ASIN	B09FL1ZJX3
Age Range Description	Adult
Apparel Closure Type	Pull On
Apparel Fabric Stretch	High Stretch
Apparel Fabric Weight Class	Lightweight
Best Sellers Rank	#1,903 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 3,145 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

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.