The North Face Summit Series Summit Cloud Down AMK Pant - Cordillera Green - Size L

Engineered for high-altitude belays and polar expeditions, the Summit Cloud Down AMK Pant pairs a Pertex® Quantum ripstop shell with 800-fill water-resistant ProDown™, delivering an exceptional warmth-to-weight ratio in a compressible package.

Overview

The Summit Cloud Down AMK Pant from The North Face Summit Series is a technical down pant built for mountaineering and extreme cold. Its Pertex® Quantum shell is lightweight, windproof, and highly packable, while the 800-fill ProDown™ insulation retains loft even in damp conditions. Full-length two-way side zippers allow rapid ventilation and easy on/off over boots and crampons, and internal gaiters with gripper elastic seal out snow. An elasticated waist with adjustable drawcord ensures a secure fit under a harness, and articulated knees improve mobility on steep terrain. The pant packs into its own stuff sack for efficient load management.

What stands out

• 800-fill ProDown™ with hydrophobic treatment retains loft in damp conditions
• Pertex® Quantum shell is lightweight, windproof, and highly packable
• Full-length two-way side zippers for ventilation and quick layering changes
• Internal gaiters with gripper elastic keep snow out of boots
• RDS-certified down ensures ethical sourcing
• Articulated knees improve mobility on steep terrain

Technical details

• Insulation: 800-fill water-resistant goose down (ProDown™)
• Shell: Pertex® Quantum 100% nylon ripstop
• Lining: 100% nylon
• Fit: Standard / expedition
• Waist: Elasticated with adjustable drawcord/buckle
• Side zippers: Full-length, two-way
• Knees: Articulated
• Internal gaiters: Yes, with gripper elastic
• Packability: Includes stuff sack
• Intended use: High-altitude mountaineering, extreme cold expeditions, belaying

Our verdict

A serious piece of expedition kit, the Summit Cloud Down AMK Pant delivers uncompromising warmth and mobility for the world's coldest environments.