Free UK Shipping Over £80 | 30 Days returns Policy | Most Trusted Since 1983

Rab Nucleus Pants (Anthracite)

Size Guide
Rab Mens Size Chart
Rab Mens Size Chart

The Rab Nucleus Pants are light-weight, stretch mens fleece pants in a two-tone colour, designed for active use as a base or mid-layer.

A double knit fleece fabric provides exceptional levels of warmth without compromising on breathability. The Nucleus Pants are treated with a Polygiene® STAY FRESH odour control treatment to prolong freshness and enable you to wear the pants for multi-day expeditions. A diamond gusset at the crotch and flatlock low-bulk seams ensure a comfortable fit, when worn underneath outer layers.


  • Double knit fleece fabric
  • Polygiene® STAY FRESH odour control treatment
  • Elasticated waistband
  • Inner waist drawcord
  • Diamond gusset at crotch
  • Flatlock low bulk seams


  • Age Group: Adult
  • Closure: Elasticated Waist
  • Clothing base style: Bottoms
  • Clothing fabric: Double knit fleece fabric with Polygiene® Stay FreshTreatment
  • Colour: Black
  • Gender: Male
  • Manufacturer: Rab
  • Weight: 200g (L)


Don't Miss The Next Big Deal!