Discover warmth and comfort in the great outdoors with our Men's Thermolator® Performance Pant. These versatile thermal long johns are designed with an ultra-soft, mid-weight fabric and feature ClimaSense Thermoregulation Technology. This technology adjusts to your body temperature by trapping air to maintain warmth when you cool down and allowing moisture vapor to escape when your aerobic activity increases.

Whether you're skiing, mountaineering, biking, snowshoeing, or just enjoying winter outdoors, Thermolator® delivers functional performance at its best. The pant's ultra-soft brushed fabric surface traps air for warmth, and its UPF rating of 25+ offers sun protection. Flatlock seams, 4-way stretch, and gusseted panels ensure ease of movement, while odor-locking technology keeps you fresh.

With a 28.25" inseam and ankle-length fit, these pants are your ideal choice for versatile warmth. Crafted from 86% Waterless Dye Polyester and 14% Spandex, they're durable and flexible. Machine wash in cold water with dark colors separately, tumble dry low, and skip fabric softener and dryer sheets for the best results. Pair these pants with the Men’s Thermolator® Crew or other Thermolator® collection pieces for unbeatable outdoor performance.


  • Flat-seam to prevent chafing
  • 4-way stretch
  • 28.25" inseam, ankle-length fit


  • Climasense fiber fusion is designed to regulate your optimal temperature
  • Thermoregulation technology provides comfort through a wide range of temperatures
  • 25+ UPF rating
  • Odor control
  • Moisture management


  • Black: 86% Waterless Dye Polyester, 14% Spandex
  • Dark Loden: 86% Recycled Polyester, 14% Spandex
  • Machine Wash Cold. Dark Colors Separately.
  • Tumble Dry Low. Do not Iron/Steam or Dry Clean.
  • No Fabric Softener or Dryer Sheets.

Size Charts


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