--- product_id: 21695970 title: "Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather (X-Large, Black)" brand: "thermajohn" price: "12348 som" currency: KGS in_stock: true reviews_count: 8 url: https://www.desertcart.kg/products/21695970-long-johns-thermal-underwear-for-men-fleece-lined-base-layer store_origin: KG region: Kyrgyzstan --- # Advanced moisture wicking Superior heat retention Fleece-lined ultra softness Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather (X-Large, Black) **Brand:** thermajohn **Price:** 12348 som **Availability:** ✅ In Stock ## Summary > 🔥 Elevate your winter game with warmth that works as hard as you do! ## Quick Answers - **What is this?** Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather (X-Large, Black) by thermajohn - **How much does it cost?** 12348 som with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/21695970-long-johns-thermal-underwear-for-men-fleece-lined-base-layer) ## Best For - thermajohn enthusiasts ## Why This Product - Trusted thermajohn brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durability Meets Style:** Retains shape and softness wash after wash—your reliable winter essential that won’t pill or shrink. - • **Dry & Comfortable All Day:** Breathable material wicks away sweat, preventing clamminess during long hours outdoors or indoors. - • **Designed for the Modern Man:** Longer top keeps you tucked in and polished, blending function with a sharp, professional look. - • **Stay Toasty Without the Bulk:** Fleece lining traps warmth while keeping the fit sleek and lightweight for all-day comfort. - • **Move Freely, Layer Confidently:** Stretchy fabric ensures unrestricted movement, perfect for active professionals on the go. ## Overview Thermajohn Long Johns Thermal Underwear for Men offers a fleece-lined base layer designed to provide exceptional warmth without bulk. Crafted from breathable, moisture-wicking fabric with a stretchy fit, this set ensures all-day comfort and durability. Ideal for layering in cold weather, it’s a top-rated, reliable choice for professionals seeking cozy, functional winter wear. ## Description Buy Thermajohn Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather (X-Large, Black) and other Bottoms at desertcart.com. Our wide selection is elegible for free shipping and free returns. Review: Warmth Without the Bulk - Warmth Without the Bulk This Thermajohn thermal underwear set has been an excellent base layer for cold weather. The fleece lining feels soft and adds a good layer of insulation without being too thick or heavy. I wore it under jeans and a hoodie on a chilly morning walk, and it kept me comfortably warm without overheating once I was moving around. The material has just enough stretch to allow easy movement, and the fit feels true to size for an XL—snug but not restrictive. What I especially like is that the set is lightweight yet traps warmth well, so it doesn’t feel like I’m bundled up. The fabric also seems to wick away sweat decently, which helps keep things comfortable if you’re active outdoors. After a wash cycle, it held its shape and softness, no pilling or shrinking noted. Something to keep in mind is that while this works great as a base layer, it’s not intended to be worn on its own in really cold temps—you’ll still want an outer layer. Also, the top is a bit longer, which helps keep it tucked in but may feel extra for some. Bottom line: A reliable, comfortable, and warm thermal set that’s perfect as a base layer for cold weather activities or just keeping cozy indoors. Review: Very comfortable - I am very happy with the purchase of these long Johns . They fit true to size and will stretch if need be. I put them on and could feel my legs warming up right away. Worth the money. ## Features - Ultra Soft Fleece: Designed with a fleece lining & quality material, these ultra soft mens thermal underwear set will keep you feeling comfortable throughout the day - Layer Up: Layering is essential to ward off the cold, so bundle up with a pair of mens thermals this winter and stay comfortable while outside or in bed as a pajama - Heat Retention: When it comes to warmth and everyday wear, these long johns for men is designed specifically for you to stay protected from the cold - Moisture Wicking: Stay dry with these long underwear mens as they're made from breathable fabric that effectively wicks away moisture and perspiration ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B018DQI504 | | Age Range Description | Adult | | Apparel Closure Type | Pull On | | Apparel Fabric Stretch | High Stretch | | Apparel Fabric Weight Class | Lightweight | | Best Sellers Rank | #29,879 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #17 in Men's Thermal Underwear Bottoms | | Brand Name | Thermajohn | | Care instructions | Machine Wash | | Collection Name | Winter | | Color | Black | | Customer Reviews | 4.6 out of 5 stars 57,004 Reviews | | Fabric Type | 92% Polyester, 8% Spandex | | Fabric type | 92% Polyester, 8% Spandex | | Fit Type | Stretch | | Fit to Size Sentiment | Positive | | Garment Size Country | United States | | Global Trade Identification Number | 00856780008398 | | Item Type Name | Base Layer Set | | Item Weight | 0.75 Pounds | | Manufacturer Part Number | LYSB018DQI504-SPRTSEQIP | | Material Type | Polyester | | Neck Style | Crew Neck | | Number of Items | 1 | | Origin | Imported | | Package Quantity | 1 | | Pattern | Solid | | Product Care Instructions | Machine Wash | | Size | X-Large | | Sleeve Length Description | Long Sleeve | | Sleeve Type | Long Sleeve | | Style Name | Crewneck Set | | Style Number | J-T-M | | UPC | 856780008398 | | Unit Count | 1 Set | ## Images ![Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather (X-Large, Black) - Image 1](https://m.media-amazon.com/images/I/51qMowmobXL.jpg) ## Questions & Answers **Q: My son's 6 ft to 6 ft 2, and 140 lbs, large in undershirts and small in underwear. what size should i order for him?** A: I'm 6'4" 180lbs, and was always like that as a teenager- large tops, small or sometimes medium bottoms. I filled out in my 20s-30s when I stopped skipping leg days, to be more like L bottoms, XL tops. Now, in my 40s, I'm a L top and 34"w x36L in Balmain, Gucci, Mike Amiri, Raf Simons, Ralph Lauren, Dulce & Cabana etc., actually I have an aunt who detests $2000+ for jeans and sends me Levi's every Christmas to make a point. 32 waist (well hips actually idk who wears jeans up that high but if it did I could actually wear a 28" or 30" but then I would need a 40"-42"L LOL Shop clerk, "Can I help you with anything sir? Mmm yes, I'd like to try on a 28Wx42L in these dodgy looking Walmart jeans please shop keep, I cannot seem to find anything on the rack 🤔?) Crazy. So I tried XL. Ha. No way. Maybe 1 leg in each of 2 pair, otherwise, mmmno. XXL was too tight (stretched too thin in my glutes, thighs & calves, and still too short -- looked like I was waiting for the flood. 3XL made all the difference. If he's 6'2" but under a buck fifty, XXL will give him a good fit + room to grow. I should have considered that - if I was 2 inches taller ( 6'6" ) these would be too short and then all the extra material that fits me as I am, would be higher up and therefore too small. So, long story short, XXL now [✓] If you anticipate him growing much more in the near future: 3XL. Good luck! 👖👕🧦🧤🧥🧣🛍️🩲🧢👟🥾⌚💎🎒👜👓🕶️ **Q: My husband is 6 ft 155 lbs. so tall and skinny. What size should I get him?** A: My husband is 5' 8'" and weighs up to 175 at his heaviest. I got a medium for him and the length was just perfect. As the other person said, they fit like tights or like a good athletic shirt that I can't name but will stretch depending on the size of the person. I would think a large would be needed for his height. **Q: Im 6ft 5 and 219 what size should i get?** A: I'm 6 2", 230 and I got xxl. If I bought again I'd get xxxl. They run small, and are a stretchy material that's comfortable but really hugs the skin. Pretty nice overall, though. **Q: Im 5'5 and 180 lbs with a waist between 32 and 34. What size should i get?** A: X-large they run small ## Customer Reviews ### ⭐⭐⭐⭐⭐ Warmth Without the Bulk *by E***S on September 25, 2025* Warmth Without the Bulk This Thermajohn thermal underwear set has been an excellent base layer for cold weather. The fleece lining feels soft and adds a good layer of insulation without being too thick or heavy. I wore it under jeans and a hoodie on a chilly morning walk, and it kept me comfortably warm without overheating once I was moving around. The material has just enough stretch to allow easy movement, and the fit feels true to size for an XL—snug but not restrictive. What I especially like is that the set is lightweight yet traps warmth well, so it doesn’t feel like I’m bundled up. The fabric also seems to wick away sweat decently, which helps keep things comfortable if you’re active outdoors. After a wash cycle, it held its shape and softness, no pilling or shrinking noted. Something to keep in mind is that while this works great as a base layer, it’s not intended to be worn on its own in really cold temps—you’ll still want an outer layer. Also, the top is a bit longer, which helps keep it tucked in but may feel extra for some. Bottom line: A reliable, comfortable, and warm thermal set that’s perfect as a base layer for cold weather activities or just keeping cozy indoors. ### ⭐⭐⭐⭐⭐ Very comfortable *by V***R on January 8, 2026* I am very happy with the purchase of these long Johns . They fit true to size and will stretch if need be. I put them on and could feel my legs warming up right away. Worth the money. ### ⭐⭐⭐⭐⭐ Great buy - keeps you warm and cozy! *by K***. on January 7, 2026* My husband say they are impressively warm without feeling bulky. The fabric is soft, stretchy, and comfortable enough for all‑day wear, whether you’re outside in freezing temperatures or just trying to stay cozy indoors. They wick moisture well and hold their shape after washing, which makes them a reliable winter staple. A solid choice if you want affordable thermal layers that actually perform. ## Frequently Bought Together - Thermajohn Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather - Alvada Warm Thermal Wool Socks for Winter Moisture Wicking and Breathable Cozy Boot Socks - Alvada Merino Wool Hiking Socks Thermal Warm Crew Winter Boot Sock For Men & Women 3 Pairs --- ## 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.kg/products/21695970-long-johns-thermal-underwear-for-men-fleece-lined-base-layer](https://www.desertcart.kg/products/21695970-long-johns-thermal-underwear-for-men-fleece-lined-base-layer) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-05-11*