Mason | Men's Merino Thermal Base Layer Long Johns with Fly Front for Cold Weather

Mason | Men's Merino Thermal Base Layer Long Johns with Fly Front for Cold Weather

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Sale price  £39.95 Regular price £49.95
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Mason | Men's Merino Thermal Base Layer Long Johns with Fly Front for Cold Weather

Mason | Men's Merino Thermal Base Layer Long Johns with Fly Front for Cold Weather

Sale price  £39.95 Regular price £49.95
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Naturally Warm, Breathable Merino Comfort
Stay warm without overheating in these grey marl merino wool leggings, crafted from naturally insulating merino fibers that regulate temperature and wick moisture away from the skin. The stretch-fit construction moves with the body, while the ribbed waistband and structured front seam offer a secure, natural fit. With a soft, breathable knit build and everyday versatility, they're ideal for layering under clothing, lounging at home, or wearing on cold-weather outings.

What Makes These Leggings Stand Out

  • Natural merino insulation: Fine merino wool fibers trap warmth while remaining lightweight and breathable
  • Moisture-wicking performance: Naturally draws sweat away from the skin, keeping you dry during activity or rest
  • Odor-resistant fabric: Merino's natural properties help reduce odor build-up, even with extended wear
  • Stretch-fit design: Flexible fabric moves naturally with the body for all-day comfort
  • Ribbed waistband: Structured elastic waist stays in place without digging in
  • Front seam detailing: Classic long-john construction for a familiar, functional fit
  • Versatile everyday wear: Suitable for base-layering, loungewear, or cold-weather use under trousers
Free Shipping
  • Shipping Costs: Free delivery on all orders within the United Kingdom
  • Processing Time: 1–2 business days (Monday to Friday)
  • Transit Time: 5–10 business days (Monday to Friday)
  • Total Delivery Time: 6–12 business days
  • Order Cutoff Time: 6:00PM GMT

For detailed information, read our Shipping Policy.

Return & Refund Policy

• Return Period: 30 days from delivery

• Refund Processing Time: Within 7 days after approval

• Return Shipping Costs: If you're returning an item because it's damaged, incorrect, or faulty, we'll cover the return shipping costs. For all other returns (such as if you changed your mind), the return shipping is at your own expense.

• Exchanges: Accepted under the conditions listed below

• Terms: Subject to our Terms of Service

For detailed information, read our Return & Refund Policy

Customer Support

Our team is ready to answer your questions during our customer service hours (Monday to Friday)

Reach out to us on our Contact Us page

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About Novitia Studios

At Novitia Studios, we believe style is more than what you wear—it's how you express who you are. We create modern essentials designed for those who appreciate clean aesthetics, thoughtful craftsmanship, and timeless versatility.Our collections are built around one iconic wardrobe essential—the trench coat—reimagined for modern living.
Read our About Us

Frequently asked questions

How long will my order take to arrive?

Orders placed by 6:00 PM (GMT), Monday to Friday, are prepared for dispatch within 1-2 business days. Once shipped, delivery within the UK typically takes 5–10 business days, depending on your location. During busy periods, the total delivery time may range from 6–12 business days.

What is your returns policy?

If you're not completely satisfied with your purchase, please email support@novitiastudios.com within 30 days of receiving your order to request a return. Items must be unused, in their original condition, and include all original tags and packaging. Refunds are issued once we receive and inspect the returned item.

There's a problem with my order — what should I do?

We're sorry to hear that! If your item arrives damaged, please email us at support@novitiastudios.com within 7 days of receiving your package. Be sure to include your order number and photos of the item and packaging. We'll arrange a replacement or refund right away.

Do you offer free shipping?

We offer free shipping within the United Kingdom on all orders. Each item is carefully packed and handled to ensure a safe and timely delivery.

How can I get in touch with customer support?

Our team is happy to help! You can reach us by emailing support@novitiastudios.com. We're available from Monday to Friday and aim to respond to all enquiries within 1 business day.

30-Day Returns

Not quite right? Return any item within 30 days of delivery for a full refund. No fuss, no hassle.

Free UK Delivery

We offer free delivery on all orders across the United Kingdom, so your items arrive safely and conveniently at your door.

Customer Support

Our dedicated support team is here to help Monday to Friday. Get in touch with any question or concern.