Merino.tech Men's Merino Wool Base Layer Set MST-250

Crafted from 100% superfine 17.5-micron Australian merino wool, this men's thermal base layer set delivers exceptional warmth, natural odor resistance, and itch-free comfort directly against the skin. The breathable knit naturally regulates body temperature during cold-weather outdoor activities while staying soft and gentle even on sensitive skin.

Designed for durability and optimal layering, this active set features a modern crew neck top and matching full-length bottoms that provide a smooth, comfortable fit under outer layers. Responsibly sourced and certified for quality, it offers premium moisture-wicking insulation for hiking, winter sports, and daily cold-weather wear.

Key Features

Brand	Merino.tech
Department	Men's
Product Type	Base Layer Set
Model Number	MST-250
Material	100% Superfine Merino Wool
Fiber Fineness	17.5 Micron
Fabric Weight Class	Medium Weight
Neck Style	Crew Neck
Sleeve Length	Long Sleeve
Closure Type	Pull On
Fit Type	Regular
Pattern	Solid
Care Instructions	Machine Wash Cold (Max 86°F/30°C Delicate Cycle), Lay Flat to Dry

Highlights

• 100% superfine 17.5-micron Australian merino wool for soft, itch-free comfort
• Naturally odor resistant and temperature regulating
• RWS and OEKO-TEX Standard 100 certified
• Ideal for outdoor activities, winter sports, and cold-weather layering

Videos

Materials & care

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

Sizing & fit

Choose your regular size if you prefer slim fit. For more relaxed fit order size up

Frequently asked questions Will this merino wool base layer feel itchy? No. It is made with 17.5-micron superfine merino fibers that are finer than human hair and soft against sensitive skin without causing irritation. How should this base layer set be washed and dried? Machine wash cold on a delicate cycle inside out at a maximum of 86°F (30°C) and lay flat to dry. Do not tumble dry. Where is the wool sourced and what certifications does it have? The wool is Australian merino wool with RWS certification for animal welfare and land management, and it is certified under OEKO-TEX Standard 100. How does the sizing fit? It fits true to size. Choose your regular size for a slim fit, or order one size up for a more relaxed fit.