Men's Thermal Underwear Set Long Johns Base Layer Winter Sports Suits

CJSY254110801AZ

Men's Thermal Underwear Set Long Johns Base Layer Winter Sports Suits

Name: Men's Thermal Underwear Set Long Johns Base Layer Winter Sports Suits
Brand: Mountararat
SKU: CJSY254110801AZ
Price: 30.0 USD
Availability: InStock

$30.00

Shipping calculated at checkout.

Color

Grey

Size

Free worldwide shipping

In stock, ready to ship
Inventory on the way

[{"id":48237022675192,"title":"Grey \/ XL","option1":"Grey","option2":"XL","option3":null,"sku":"CJSY254110801AZ","requires_shipping":true,"taxable":false,"featured_image":{"id":49942195175672,"product_id":9476245848312,"position":1,"created_at":"2026-04-15T13:17:43-04:00","updated_at":"2026-04-15T13:19:07-04:00","alt":null,"width":1024,"height":1024,"src":"\/\/www.mountararatt.com\/cdn\/shop\/files\/23402.jpg?v=1776273547","variant_ids":[48237022675192]},"available":true,"name":"Men's Thermal Underwear Set Long Johns Base Layer Winter Sports Suits - Grey \/ XL","public_title":"Grey \/ XL","options":["Grey","XL"],"price":3000,"weight":522,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":40097088766200,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/www.mountararatt.com\/cdn\/shop\/files\/23402.jpg?v=1776273547"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

{"id":48237022675192,"title":"Grey \/ XL","option1":"Grey","option2":"XL","option3":null,"sku":"CJSY254110801AZ","requires_shipping":true,"taxable":false,"featured_image":{"id":49942195175672,"product_id":9476245848312,"position":1,"created_at":"2026-04-15T13:17:43-04:00","updated_at":"2026-04-15T13:19:07-04:00","alt":null,"width":1024,"height":1024,"src":"\/\/www.mountararatt.com\/cdn\/shop\/files\/23402.jpg?v=1776273547","variant_ids":[48237022675192]},"available":true,"name":"Men's Thermal Underwear Set Long Johns Base Layer Winter Sports Suits - Grey \/ XL","public_title":"Grey \/ XL","options":["Grey","XL"],"price":3000,"weight":522,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":40097088766200,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/www.mountararatt.com\/cdn\/shop\/files\/23402.jpg?v=1776273547"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}

Premium Men's Thermal Underwear Base Layer Set

Stay warm and comfortable during every outdoor adventure with our Men's Thermal Underwear Set. Engineered for the modern explorer, this long johns base layer combines cutting-edge thermal technology with ultra-soft fabric to deliver unmatched performance in cold weather conditions.

Men's Thermal Underwear Set - Full Body View - Grey Base Layer for Winter Sports

Men's Long Johns Thermal Set - Top and Bottom Detail - Soft Winter Underwear

Why Choose Our Thermal Base Layer?

Advanced Heat Retention: Innovative fabric traps body heat while allowing moisture to escape
Ultra-Soft Comfort: Premium polyester blend feels gentle against skin—no itching or irritation
4-Way Stretch: Moves with your body for unrestricted mobility during hiking, skiing, or camping
Quick-Dry Technology: Wicks sweat away to keep you dry during intense activities
Versatile Design: Perfect as standalone loungewear or under outdoor gear

Ideal For Every Cold-Weather Activity

Whether you're hitting the slopes, trekking through snowy trails, or working outdoors in freezing temperatures, this men's long sleeve thermal underwear kit provides the essential base layer protection you need. The long johns pants and matching top work together to create a complete thermal system that regulates your body temperature from dawn to dusk.

Available in classic grey to match any outdoor wardrobe. Designed for the USA market with true-to-size American fit—order your regular size for the perfect base layer foundation.

✦ FREE Worldwide Shipping | In Stock & Ready to Ship ✦

Use collapsible tabs for more detailed information that will help customers make a purchasing decision.

Ex: Shipping and return policies, size guides, and other common questions.