Men's Thermal Base Layer Long Johns with Fly

$39.75 USD

Warmest base-layer bottom with allergy-free comfort 

With its warmth, comfort, and extra insulation, this base layer bottom surely deserves a space in your wardrobe. Made with 100% chemical-free GOTS-certified organic cotton fabric, this thermal base layer long john with fly serves as a second skin that protects men from cold and irritation. It's not too tight and not too loose, so you can always be comfortable and itch-free wherever you go.


  • Tapered leg for a relaxed fit
  • Honeycomb texture
  • Functional vertical button-fly for easy access 
  • Banded cuffs without spandex to keep it in place without triggering your allergies.
  • Flat stitched seams for comfort
  • Unbeatable soft, breathable fabric
  • Irritation-free label for sensitive skin 
  • Without latex and spandex
  • Free from chemicals and synthetics

What Should I Wear For An MRI?
Choosing the Right Winter Clothing for Sensitive Skin

      Size & Fit
      • Fitted
      • Size M Inseam: 30" | Outseam: 42"
      • Model is 6'2" with a 30-inch waist and is wearing a Size M

      Note: The latex and spandex-free elastic that we utilize in some of our products contains a synthetic material that’s very different from polyester. We then wrapped the said elastic using our 100% organic cotton.

      Product Care

      For a continuous uncompromised allergy-free experience, we recommend washing your thermal pajamas at less than 30°C with a mild detergent. Gentle cycle. Tumble dry with low temperature

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      Customer Reviews

      Based on 1 review
      Will Sun
      So warm

      Excellent!! Warm for winter and size S is a perfect fit as a 5’6” man. I use for training at the gym, as the gyms are now outdoors due to covid.