Rab Men’s Nucleus Pull-on Fleece

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Overview

The Rab Men’s Nucleus Pull-On Fleece is a comfortable, stretchy mid-layer designed for walking and climbing in cold conditions. Built to provide reliable all-round insulation without bulk, it works as well over a baselayer on crisp days as it does under a hard shell in harsher weather.

Fabric and performance

Made from Rab’s Thermic stretch mid-weight fleece, the Nucleus balances warmth, breathability and freedom of movement. An oval-grid back improves moisture wicking and air flow, helping to regulate temperature during stop–start activity. The fabric’s soft handle and inherent stretch deliver day-long comfort on the hill or at the crag.

Features

The half-length YKK front zip offers quick ventilation and easy on–off, while double cuffs create a neat, low-bulk seal that layers cleanly under a jacket. A YKK zipped chest pocket keeps small essentials secure and close to hand without adding unnecessary weight or bulk.

• Thermic™ stretch mid-weight fleece with an oval-grid back
• Moisture wicking
• Half-length YKK® front zip
• Double cuffs
• 1 x YKK® zipped chest pocket
• Weight: 345g

Fit and layering

Cut for a close, comfortable fit, the Nucleus sits smoothly over a baselayer and under a waterproof or windproof shell, making it a dependable mid-layer for varied mountain conditions and everyday outdoor use.

When to wear

Well suited to cold-weather hiking, scrambling and climbing, this pull-on provides practical warmth with effective moisture management, so you stay comfortable as effort levels change.

Pricing and availability

The Rab Men’s Nucleus Pull-On Fleece is commonly available from UK retailers including Go Outdoors, Cotswold Outdoor and Amazon UK. Prices and availability change frequently; check the retailer’s listing at the time of purchase for the latest information.