SKU: 164654

RAB Nucleus Fleece Men's Pants

Size Guide

Size Guide- RAB Men's Clothing

How to Measure: 

Mens- How to measure clothing RAB
Mens RAB Clothing sizing guide

Men's Legwear:

How to Measure:

Legwear RAB
Legwear RAB

Fitting Notes:


Designed to be versatile our Regular Fit garments are not closely fitted for cross-seasonal use and multi-layering. Garments are contoured with room for movement.


Our Slim Fit garments are designed to be worn closer to the body or over layers such as base-layers and light mid-layers. Close fitting for maximum performance when moving dynamically.


Expedition garments are designed to be worn in colder conditions and over more layers of clothing than our other fits and as such are oversized slightly to allow for this.

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Availability - Online Only

The Nucleus Pants are light-weight, stretch 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.

*Note delivery time for this product may be up to 10 - 14 working days depending on stock availability

  • Double knit fleece fabric
  • Polygiene® STAY FRESH odour control treatment 
  • Elasticated waistband 
  • Inner waist drawcord
  • Diamond gusset at crotch 
  • Flatlock low bulk seams
  • Weight: 200g/7oz (size large) 
  • Product Code: SKU: QFA-85