--- product_id: 261774865 title: "Thermal Underwear for Men Long Johns Set Fleece Lined Winter Cold Weather | Base Layer Top & Bottom Set, Moisture-Wicking, Heat Retention, Gift For Men, Ideal For Skiing, Hunting Outdoor, Sleepwear" brand: "weerti" price: "¥12815" currency: JPY in_stock: true reviews_count: 9 url: https://www.desertcart.jp/products/261774865-thermal-underwear-for-men-long-johns-set-fleece-lined-winter store_origin: JP region: Japan --- # Heat retention for all-day warmth Ultra-soft fleece lining comfort 4-way stretch for flexible fit Thermal Underwear for Men Long Johns Set Fleece Lined Winter Cold Weather | Base Layer Top & Bottom Set, Moisture-Wicking, Heat Retention, Gift For Men, Ideal For Skiing, Hunting Outdoor, Sleepwear **Brand:** weerti **Price:** ¥12815 **Availability:** ✅ In Stock ## Summary > 🔥 Elevate your winter game with warmth that works as hard as you do! ## Quick Answers - **What is this?** Thermal Underwear for Men Long Johns Set Fleece Lined Winter Cold Weather | Base Layer Top & Bottom Set, Moisture-Wicking, Heat Retention, Gift For Men, Ideal For Skiing, Hunting Outdoor, Sleepwear by weerti - **How much does it cost?** ¥12815 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/261774865-thermal-underwear-for-men-long-johns-set-fleece-lined-winter) ## Best For - weerti enthusiasts ## Why This Product - Trusted weerti brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Layer Like a Pro:** The essential base layer that elevates your winter wardrobe—wear it under anything or as cozy sleepwear. - • **Cloud-Like Softness:** Premium fleece lining that pampers your skin from morning meetings to late-night relaxation. - • **Stay Toasty All Day:** Locks in body heat so you never feel the chill, no matter the weather. - • **Dry & Fresh Confidence:** Advanced moisture-wicking tech keeps sweat and odor at bay, so you stay fresh indoors or outdoors. - • **Move Freely, Stay Warm:** 4-way stretch fabric ensures zero restriction—perfect for work, workouts, or weekend adventures. ## Overview WEERTI's Thermal Underwear for Men is a fleece-lined, moisture-wicking base layer set designed to lock in heat and provide all-day comfort. Featuring 4-way stretch fabric for unrestricted movement and odor control technology, this top and bottom set is ideal for cold-weather activities like skiing, hunting, or simply staying cozy at home or work. ## Description At WEERTI, we believe warmth is more than a feeling – it's a way to show care. As a brand dedicated to comfort, quality, and style, we craft thermal wear that keeps you cozy through every moment of your day. Driven by a passion for promoting a healthy and free lifestyle, WEERTI is committed to helping you feel confident, cozy, and at your best every moment, every day of the year. ## Features - All-Day Warmth: These long johns for men thermal lock in body heat for lasting warmth, keeping you comfortable through cold days as your reliable base layer all season long. - Ultra-Soft Fleece: Made with premium fleece lining, this mens thermals top and bottom set provides a soft feel on the skin and lasting comfort from morning to night. - Flexible Fit: Made with four-way stretch fabric, these long underwear mens deliver full mobility and comfort with no restriction or bunching, keeping you warm in all your activities. - Dry Comfort Anywhere: These thermals for men are made of breathable fabric that quickly wicks away sweat and controls odor, keeping you dry and comfortable at home, office, gym, or outdoors. - Layering Essential: This men's thermal underwear top and bottom set is a must-have base layer for cold weather. Layer under any outfit or wear as cozy pajamas for all-day warmth and comfort. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B088K2GKNX | | Best Sellers Rank | #1 in Men's Thermal Underwear Bottoms | | Date First Available | May 13, 2020 | | Department | mens | | Manufacturer | WEERTI | ## Images ![Thermal Underwear for Men Long Johns Set Fleece Lined Winter Cold Weather | Base Layer Top & Bottom Set, Moisture-Wicking, Heat Retention, Gift For Men, Ideal For Skiing, Hunting Outdoor, Sleepwear - Image 1](https://m.media-amazon.com/images/I/51-lXF3lDSL.jpg) ![Thermal Underwear for Men Long Johns Set Fleece Lined Winter Cold Weather | Base Layer Top & Bottom Set, Moisture-Wicking, Heat Retention, Gift For Men, Ideal For Skiing, Hunting Outdoor, Sleepwear - Image 2](https://m.media-amazon.com/images/I/71EXiucXt6L.jpg) ![Thermal Underwear for Men Long Johns Set Fleece Lined Winter Cold Weather | Base Layer Top & Bottom Set, Moisture-Wicking, Heat Retention, Gift For Men, Ideal For Skiing, Hunting Outdoor, Sleepwear - Image 3](https://m.media-amazon.com/images/I/81-HaFqOYSL.jpg) ![Thermal Underwear for Men Long Johns Set Fleece Lined Winter Cold Weather | Base Layer Top & Bottom Set, Moisture-Wicking, Heat Retention, Gift For Men, Ideal For Skiing, Hunting Outdoor, Sleepwear - Image 4](https://m.media-amazon.com/images/I/71C+l4Hx-0L.jpg) ![Thermal Underwear for Men Long Johns Set Fleece Lined Winter Cold Weather | Base Layer Top & Bottom Set, Moisture-Wicking, Heat Retention, Gift For Men, Ideal For Skiing, Hunting Outdoor, Sleepwear - Image 5](https://m.media-amazon.com/images/I/71WGlFolo6L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Do they slide down** A: Mine do not move at all, I have 3 pair and wear them daily. These are extremely comfortable as well however I would order a size larger than normal. **Q: Do they have tag? I don't like the labels on clothes that tag and irritate my skin.** A: No, they don't have tags **Q: Do these long johns fit Regular fit or do they stretch pretty good?** A: Regular fit! **Q: How many ounces does an xtralarge size weigh ?** A: 7.6 ozs ## Customer Reviews ### ⭐⭐⭐⭐⭐ Warm, Snug, and Better Than I Expected *by on Reviewed in the United States March 4, 2026* I grabbed these WEERTI thermal long johns for cold days and they’ve honestly become my default base layer once the temps drop. The inside fleece is very soft and cozy, and the fabric has enough stretch that I can move around, bend, and sit without feeling restricted or like the seams are fighting me. They fit close to the body, more like a second skin, which helps keep warmth in, but it also means you may want to size up if you’re between sizes or don’t like anything too tight. I’ve worn them under jeans and work pants outside and also just as loungewear at home, and they’ve kept me warm without getting overly sweaty thanks to the moisture‑wicking fabric.​They’re not perfect, though. The waistband and cuffs can feel a little snug after a full day, and if you run hot or spend a lot of time indoors, you might find yourself getting warmer than you’d like. The material is synthetic, so if you’re used to merino wool base layers, this won’t feel as “premium,” but for the price it’s hard to complain. Overall, these are a solid, comfortable option for everyday winter wear, especially if you just need something dependable for walking the dog, commuting, or working outside in the cold.​ ### ⭐⭐⭐⭐⭐ Great for cold weather *by on Reviewed in the United States August 8, 2026* I bought this as a gift for my brother for his trip to Brazil. He really liked it! It was comfortable, warm, and fit well. He was very happy with it. ### ⭐⭐⭐⭐⭐ Thermal *by on Reviewed in the United States August 4, 2026* These are prefect. I work in a freezer all day long Ave temp is -10 I only wear these and jeans and a hoodie I stay warm all day long ## Frequently Bought Together - WEERTI Thermal Underwear for Men Long Johns with Fleece Lined, Base Layer Men Cold Weather Top Bottom - Thermajohn Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather - Hylaea Merino Wool Ski Socks, Cold Weather Socks for Snowboarding, Snow, Winter, Thermal Knee-high Warm Socks, Hunting --- ## 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.jp/products/261774865-thermal-underwear-for-men-long-johns-set-fleece-lined-winter](https://www.desertcart.jp/products/261774865-thermal-underwear-for-men-long-johns-set-fleece-lined-winter) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-14*