--- product_id: 164354587 title: "Heatwave® Men's Extreme Thermal Underwear Set, Long Sleeve Top & Long Johns, Winter Outdoor Ski Wear Thermals" brand: "heatwave thermalwear" price: "$37.68" currency: USD in_stock: true reviews_count: 8 category: "Heatwave Thermalwear" url: https://www.desertcart.us/products/164354587-heatwave-mens-extreme-thermal-underwear-set-long-sleeve-top-long store_origin: US region: United States of America --- # Moisture-wicking fabric TOG 0.45 insulation 50/50 cotton-poly blend Heatwave® Men's Extreme Thermal Underwear Set, Long Sleeve Top & Long Johns, Winter Outdoor Ski Wear Thermals **Brand:** heatwave thermalwear **Price:** $37.68 **Availability:** ✅ In Stock ## Summary > ❄️ Gear Up, Warm Up, Level Up Your Winter Game! ## Quick Answers - **What is this?** Heatwave® Men's Extreme Thermal Underwear Set, Long Sleeve Top & Long Johns, Winter Outdoor Ski Wear Thermals by heatwave thermalwear - **How much does it cost?** $37.68 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/164354587-heatwave-mens-extreme-thermal-underwear-set-long-sleeve-top-long) ## Best For - heatwave thermalwear enthusiasts ## Why This Product - Trusted heatwave thermalwear brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Stay Dry, Stay Fresh:** Advanced moisture-wicking fibers keep sweat at bay and anti-odor tech keeps you confidently fresh all day. - • **Extreme Warmth, Zero Bulk:** TOG 0.45 rating locks in heat without the weight—stay cozy without compromise. - • **Versatile Style & Function:** Wear it solo or as a sleek base layer—designed to blend seamlessly with your outdoor or casual wardrobe. - • **Durable Comfort, All Season:** Premium 50% cotton, 50% polyester fabric delivers breathable warmth and quick-drying performance for relentless winter days. - • **Perfect Fit for Every Adventure:** Elastic seams and tailored sizing ensure no bunching or slipping during your winter sports or daily hustle. ## Overview Heatwave® Men's Extreme Thermal Underwear Set combines a 50/50 cotton-polyester blend with a TOG rating of 0.45 to deliver superior insulation and moisture management. Designed for winter sports and everyday cold-weather wear, this long-sleeve top and long johns set features elastic seams for a snug fit, anti-odor technology, and quick-drying fabric—ensuring you stay warm, dry, and fresh in temperatures below 30°F (0°C). ## Description Product Description Heatwave Offering a wide selection of products - trousers, t-shirts, jeans, bedding, and more -catering to diverse preferences with top-notch quality, style, and comfort. Long-sleeve top & long johns: Complete set for full-body coverage, ensuring maximum protection against the cold. Stylish design: Can be worn as a standalone outfit or as a base layer under clothing, ensuring both functionality and style. Extreme warmth: Designed to provide exceptional insulation, keeping you comfortably warm in colder conditions. High-quality material: Crafted from premium, breathable fabric to regulate body temperature and wick moisture. Quick-drying: Keeps you dry even during intense physical activities or in wet conditions. Anti-odour technology: Prevents the buildup of odour-causing bacteria, keeping you fresh throughout wear. Review: Body warmer top and bottom. - Item very good, exact fit, nice and warm, would buy again. Review: A must wear, for cold Winter football matches! - A must wear for cold Winter football matches, or any outside pursuits at this time of the year. Not so warm as more expensive under garments but nevertheless good enough for the price, and a welcome respite from the chill factor of cold Winter nights, on the terraces! ## Features - Heatwave offers a comprehensive range of essential items, including t-shirts, long sleeves, long johns, trousers, and bedding products, designed with premium materials and superior craftsmanship, ensuring optimal comfort, style, and performance for all your indoor and outdoor needs. - Premium Quality: Mens shirts long sleeve & long john crafted from 50% cotton and 50% polyester. With a TOG rating of 0.45, this set ensures excellent insulation, keeping you cozy in cold weather, and making it an ideal choice for indoor and outdoor activities. - KEEP WARM AND DRY: Mens long sleeve shirt moisture-wicking fibre that prevent you from becoming sweat-soaked, while our fleece-lined design keeps you warm and comfortable in weather below 30°F (0°C). - TOP AND BOTTOM SIZE GUIDELINES: Small - Top (Chest Size) 34-36”: Long John (Waist Size) 29-32” Medium - Top (Chest Size) 37-39”: Long John (Waist Size) 33-35” Large - Top (Chest Size) 40-42”: Long John (Waist Size) 36-38” X-Large - Top (Chest Size) 43-45”: Long John (Waist Size) 39-42" XX-Large - Top (Chest Size) 46-48”: Long John (Waist Size) 43-45” - IT IS PERFECT FOR MEN WHO LIKES PARTICIPATE IN OUTDOOR AND WINTER SPORTS, LIKE HIKING, CAMPING, SKIING, or SNOWBOARDING. Tops and bottoms can be worn underneath conventional clothing for daily activities because of the elastic seams' flexibility to prevent them from falling or bunching up. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01LZC79PH | | Age Range Description | Adult | | Best Sellers Rank | 322,799 in Fashion ( See Top 100 in Fashion ) 97 in Men's Thermal Sets | | Brand Name | Heatwave Thermalwear | | Closure Type | Pull On | | Colour | Charcoal | | Customer Reviews | 4.2 out of 5 stars 800 Reviews | | Fabric Type | polyester | | Fit Type | Loose, fitted | | Material Type | Cotton, Polyester | | Material composition | 50% Cotton, 50% Polyester | | Neck Style | Crew Neck | | Pattern | Solid | | Season and Collection Year | Winter | | Size | L | | Sleeve Type | Long Sleeve | | UPC | 636123015432 | | Unit Count | 1 count | ## Images ![Heatwave® Men's Extreme Thermal Underwear Set, Long Sleeve Top & Long Johns, Winter Outdoor Ski Wear Thermals - Image 1](https://m.media-amazon.com/images/I/613MYAHtojL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Body warmer top and bottom. *by M***S on 7 January 2026* Item very good, exact fit, nice and warm, would buy again. ### ⭐⭐⭐⭐ A must wear, for cold Winter football matches! *by K***R on 19 January 2022* A must wear for cold Winter football matches, or any outside pursuits at this time of the year. Not so warm as more expensive under garments but nevertheless good enough for the price, and a welcome respite from the chill factor of cold Winter nights, on the terraces! ### ⭐⭐⭐⭐⭐ Mens underwear *by M***E on 9 January 2026* Good quality keeps me warm and comfortable to wear --- ## 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.us/products/164354587-heatwave-mens-extreme-thermal-underwear-set-long-sleeve-top-long](https://www.desertcart.us/products/164354587-heatwave-mens-extreme-thermal-underwear-set-long-sleeve-top-long) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-20*