--- product_id: 496336799 title: "100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns" brand: "merino.tech" price: "$378.52" currency: USD in_stock: true category: "Merino.Tech" url: https://www.desertcart.ec/products/496336799-100-merino-wool-base-layer-men-set-thermal-underwear-men store_origin: EC region: Ecuador --- # Free Merino Wool Hiking Socks ($21 Value) 320 g/m² Heavyweight Merino Wool Natural Thermoregulation & Moisture Wicking 100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns **Brand:** merino.tech **Price:** $378.52 **Availability:** ✅ In Stock ## Summary > 🔥 Stay warm, fresh, and unstoppable with Merino.tech 🧶 ## Quick Answers - **What is this?** 100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns by merino.tech - **How much does it cost?** $378.52 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/496336799-100-merino-wool-base-layer-men-set-thermal-underwear-men) ## Best For - merino.tech enthusiasts ## Why This Product - Trusted merino.tech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-Day Comfort, Zero Itch:** Superfine 17.5 micron wool ensures softness that lasts from morning meetings to mountain trails. - • **Bonus Hiking Socks Included:** Step up your outdoor game with premium Merino wool socks valued at $21. - • **Ultimate Thermal Performance:** Heavyweight 320 g/m² Merino wool locks in warmth without bulk. - • **Sustainable & Stylish Base Layer:** Modern fit and breathable design for year-round active professionals. - • **Odor-Resistant & Moisture-Wicking:** Stay fresh and dry with natural wool fibers that outperform synthetics. ## Overview This 100% superfine Merino wool base layer set for men features heavyweight 320 g/m² fabric for superior insulation, naturally odor-resistant and moisture-wicking properties, and includes a free pair of premium Merino wool hiking socks. Designed for comfort and performance, it’s perfect for hiking, skiing, or everyday wear, backed by the Merino.tech Promise for quality and satisfaction. ## Description Buy 100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns (Medium, 320 Black) and other Active Base Layers at desertcart.com. Our wide selection is elegible for free shipping and free returns. ## Features - Heavyweight: Mens Merino Base Layer Available in: Lightweight = 165 g/m², Midweight = 250 g/m², Heavyweight = 320 g/m². Free Merino Wool Hiking Socks ($21 Value) – Package includes Heavyweight Merino wool base layer mens top and wool men long johns 320 g/m² + Merino Wool Hiking Socks. Cool Packaging. Makes A Great Gift. - Super Soft & Comfortable: 100% Superfine 17.5 Micron merino wool base layer set mens provides all day comfort and no itch! Merino wool long underwear men set was designed for daily wear without rubbing, overheating, or bunching of regular cotton. - Moisture Wicking & Odor Resistant: Natural wicking and odor-resistant properties of merino wool thermal underwear allow it to absorb moisture better than any other fabric, keeping you dry and fresh. - Breathable – For longer lasting wear, hand wash and lay flat to air dry. Mens wool long johns sets naturally regulate body temperature to keep you comfortable all year round. - Zero Worries: Every we make merino wool base layer top mens and long johns are backed by our Merino.tech Promise - ensuring you're 100% happy with every Merino.tech purchase. For best results hand wash and lay flat to dry ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BDZLHYBL | | ASIN | B0B68BHX2P | | Age Range Description | Adult | | Apparel Closure Type | Pull On | | Apparel Fabric Stretch | Medium Stretch | | Apparel Fabric Weight Class | Medium Weight | | Best Sellers Rank | #17,917 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #3 in Men's Base Layers | | Brand Name | Merino.tech | | Collection Name | All | | Color | 320 Black | | Customer Reviews | 4.6 4.6 out of 5 stars (3,840) | | Date First Available | July 11, 2022 | | Department | mens | | Fabric Type | 100% Superfine Merino Wool | | Fit Type | Regular | | Fit to Size Sentiment | Fits True To Size | | Garment Size Country | United States | | Global Trade Identification Number | 08062281031212 | | Import Designation | Imported | | Item Type Name | Base Layer Set | | Manufacturer Part Number | MST-250 | | Material Type | 100% Superfine Merino Wool | | Neck Style | Crew Neck | | Number of Items | 1 | | Package Quantity | 1 | | Pattern | Solid | | Product Care Instructions | Machine Wash (Delicate Cycle), Hand Wash Recommended | | Size | Medium | | Sleeve Length Description | Long Sleeve | | Sleeve Type | Long Sleeve | | Style Name | Modern | | Style Number | MST-250 | | Unit Count | 2 Count | ## Images ![100% Merino Wool Base Layer Men Set - Thermal Underwear for Men Long Johns - Image 1](https://m.media-amazon.com/images/I/61oVn52JvDL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Won't merino wool feel itchy? And what does 17.5 micron mean?** A: 17.5 micron superfine merino fibers are finer than human hair — too fine to feel itchy, even on sensitive skin. Standard wool (25+ microns) causes irritation; this doesn't. OEKO-TEX certified, tested against 100+ harmful substances. **Q: How do I wash and dry it to keep it looking new ? Will it shrink or lose shape?** A: Machine wash cold max 30°C, delicate cycle, inside out. Lay flat to dry — tumble drying permanently damages merino fibers. Store clean and dry; keep merino in sealed bags to prevent moths. Wear 3–5 days between washes — merino resists odor naturally **Q: Which weight should I choose — 165, 250, or 320 g/m²?** A: 165 g/m² — active pursuits, travel, spring/summer, 40–60°F. 250 g/m² — cold weather, most outdoor activities, 25–45°F. 320 g/m² — frost and low activity, 10–35°F, extreme conditions. Rule: the higher the activity level — the lighter the weight. **Q: Where does the merino wool sourced from and is this product certified?** A: Our products are made from Australian merino wool, RWS certified — independent farm audit confirming animal welfare and land management standards. Every component tested against 100+ harmful substances under OEKO-TEX Standard 100. **Q: Does it fit true to size?** A: Choose your regular size if you prefer slim fit. For more relaxed fit order size up ## Frequently Bought Together - Merino.tech Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom - Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Lightweight, Midweight Thermal Underwear Long Johns + Wool Socks - Merino.tech Merino Wool T-Shirt Mens - 100% Organic Merino Wool Undershirt Lightweight Base Layer + Hiking Wool Socks --- ## 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.ec/products/496336799-100-merino-wool-base-layer-men-set-thermal-underwear-men](https://www.desertcart.ec/products/496336799-100-merino-wool-base-layer-men-set-thermal-underwear-men) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-08-20*