ThruDark Siege Hooded Tech Fleece

ThruDark Siege Hooded Tech Fleece

The Siege Tech Fleece is a high-performance mid-layer, designed for hiking, mountaineering, skiing, and trail running in colder climates. Constructed with Polartec® Power Grid™, it delivers advanced insulation and breathability, keeping you warm without overheating during intense activity.

Polartec® Power Grid™ Technology

Developed by textile innovators Polartec®, Power Grid™ features a geometric, patented grid construction that enhances moisture wicking while retaining insulation—offering maximum performance at minimal fabric weight. This innovative design increases breathability without compromising warmth, solving a key challenge faced with traditional synthetic fabrics.

Key Features

• Full-Zip Design – Allows for adjustable ventilation and temperature control.
• Elasticated Hood – Provides extra protection from the elements when needed.
• Elasticated Sleeve Cuffs with ThruDark Detailing – Ensures a secure fit and minimises heat loss.
• Strategic Storage – A chest pocket for expedition essentials and two YKK-zippered hand pockets for additional storage.
• Optimised for Layering – Streamlined fit for easy integration under a hard shell or insulated jacket.

Designed for movement, endurance, and versatility, the Siege Tech Fleece delivers uncompromising performance in the harshest conditions—keeping you warm, dry, and ready for the next challenge.