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The Strata Merino Zip-off Thermal Bottom brings a new era of innovation to your ADV layering kit. Full-length separating side zips allow you to easily de-layer without removing your boots or pants.

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Strata Merino Zip-Off Thermal Bottom

Strata Merino Zip-Off Thermal Bottom

Color
Umber
Pewter
Size

The Strata Merino Zip-off Thermal Bottom is the long john you never knew you needed. It brings a new era of innovation to your ADV layering kit.Full-length separating side zips allow you to easily de-layer without removing your boots or pants. No more sacrificing comfort for convenience. No more dancing out of your pants when things heat up. Just drop your trousers and unzip the base layer to remove them trailside. So quick and easy you might even be able to get them off (or on) before your buddies catch up.

[Don't see your size/color? We are anticipating a return to stock for the Strata Merino Quarter Zip Thermal Top in Pewter and Umber in May 2024. If you would like to be alerted when these return to stock, please click on the Notify Me button. Pro Tip: If you do not see the Notify Me button, click on your specific size and or color and then refresh your browser.]

DESIGN

Temperatures can swing wildly on any adventure. Cold mornings turn into hot days on trail. And hot days turn quickly into cold nights when the sun ducks out of sight. Adding or removing a layer in these situations is a no-brainer, but who wants to stop the ride to pull off your boots, dance out of your pants, and adjust your layers. All too often we sacrifice comfort to avoid these tedious moments. The Strata Merino Zip-off Thermal Bottom’s full-length leg zippers, over armor fit, and above the boot design allow you to quickly and easily shed or add layers without removing your boots and outer pant. 

The Strata Merino Zip-off Thermal Bottom is constructed using Nuyarn® technology, a lightweight, incredibly comfortable, and durable blend of Merino wool and nylon. By removing the twist of the yarns and drafting the fibers over a nylon core, Nuyarn® has produced a fabric with higher stretch and recovery, better moisture management, greater warmth, and increased durability than traditional Merinos. It culminates to an itch-free, moisture-wicking, and naturally odor-resistant material to take the edge off in cool conditions.

FEATURES
  • Nuyarn® Merino technology 17.5 Micron Ultrafine Merino Wool 
  • Spandex-free stretch
  • Naturally Anti-Microbial
  • Moisture-wicking and quick-drying
  • Above Boot Inseam (24”, size Large)
  • Full Length Separating Side Zips 
  • In-Boot, Over Armor Fit
  • Anatomical shaping for fit and comfort
  • Crotch gusset for added comfort and reduced chafing
  • Functional fly
  • Flat lock seams sit flat next to skin
  • Tagless Heat Transfer Labels
  • YKK Zippers
  • Ethically produced in Vietnam
MATERIALS
  • Nuyarn® Ultra fine Merino 85% Ultrafine Merino Wool, 15% Nylon, 125g/sm
SIZE GUIDE

The Strata Bottom is designed to fit true to size over body armor - no need to size up; we've done the math for you. 

SPECS

Product Care

Visit our Help Center for Product Care info.

Warranty

We never cut corners during development or manufacturing, so we stand behind our products. If one fails due to a problem with materials or workmanship, we’ll make it right. All Mosko Moto products include:

Limited Lifetime Warranty

'Limited' means it does not cover:

  • wear & tear
  • neglect/misuse/abuse
  • aesthetics
  • sun degradation
  • modification and/or use for a purpose other than what the item was designed for

Crash Care Program

Pair With

Complete your Strata Kit with the Strata Merino Quarter Zip Thermal Top.

Customer Reviews

Based on 38 reviews
92%
(35)
5%
(2)
0%
(0)
0%
(0)
3%
(1)
J
John Thompson
Excellent piece of clothing!

Very well made and thought out undergarment. Easy to take on and off and just the right length to not interfere with boots. Well done Mosko!

Thanks for the support, John! We're glad you're staying cozy in your Strata.

b
bill marsh
Just awesome

Like all the Mosko gear, it’s great quality and details. Particularly like the way the snap-off hood fits - it’s not baggy and sloppy like most. I bought one, then another, then another as a gift.
Also the weight of the material is perfect - not to heavy, not too light.

Thanks for noticing the details, Bill!

P
Patrick Partain
Great product

They work great and are very comfortable. Great for any activity where removing boots and clothing isn’t ideal to remove thermals.

C
Charles Buchanan
You don’t have to take your boots off.

So far these have been great. The weather here in Virginia has been mid 20’s in the morning then up to the 50’s in the afternoon. The ability to take these off without having to take all my riding gear off is amazing. Highly recommend. I have a 32 inch waist and the medium fit perfectly.

j
jake fry

Strata Merino Zip-Off Thermal Bottom