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Merino.tech

Merino.tech Men's Thermal Underwear Long Johns Base Layer Pants 165

Merino.tech Men's Thermal Underwear Long Johns Base Layer Pants 165

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Crafted from 100% superfine merino wool, these men's thermal underwear pants deliver natural temperature regulation and exceptional breathability for all-season comfort. The medium-weight knit fabric provides natural stretch and UPF 50 sun protection, ensuring reliable performance across cold-weather outings and active pursuits.

Featuring a pull-on closure with a mid-rise fit and flat-front design, these base layer long johns layer smoothly under outerwear without bulk. They are designed for activities including hiking, snow skiing, snowboarding, running, and daily cold-weather wear.

Key Features

Brand Merino.tech
Product Type Thermal Underwear Bottoms
Department Men's
Material 100% Superfine Merino Wool
Fabric Type Knit
Model Number 165
Manufacturer Part Number MP-250
Rise Style Mid Rise
Closure Type Pull On
Fit Type Standard
Leg Style Skinny
Front Style Flat Front
Pattern Solid
UV Protection UPF 50
Care Instructions Machine Wash (Delicate Cycle), Hand Wash Recommended
Packaged Weight 4.8 oz
Packaged Dimensions 10 x 9 x 0.7 in

Highlights

  • 100% superfine merino wool knit fabric
  • UPF 50 ultraviolet sun protection
  • Mid-rise, pull-on elastic waistband design
  • Designed for skiing, snowboarding, hiking, running, and outdoor sports

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Materials & care

100% superfine merino wool. Machine wash on delicate cycle; hand wash recommended.

Sizing & fit

Features a standard fit with a skinny leg profile and mid rise. Fits true to size.

Frequently asked questions

What material are these thermal pants made of?

These base layer bottoms are made from 100% superfine merino wool in a medium-weight knit.

How should these merino wool pants be washed?

They can be machine washed on a delicate cycle, though hand washing is recommended.

Do these pants provide sun protection?

Yes, the fabric offers Ultraviolet Protection Factor (UPF) 50 sun protection.

What activities are these base layer bottoms suitable for?

They are designed for hiking, snow skiing, snowboarding, running, cycling, climbing, mountaineering, and general cold-weather outdoor wear.

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