Viking Expander Man – Lightweight 3-Season Trekking Pants for Outdoor Adventures

Viking Expander Man are designed for outdoor enthusiasts looking for lightweight, durable and highly flexible trekking pants for spring, summer and autumn. Their ergonomic construction and technical materials provide exceptional comfort on mountain trails, forest hikes, travel and everyday outdoor activities.

The pants are made from a premium blend of 90% polyamide and 10% elastane. Thanks to Active Flex technology with 4-way stretch, the fabric follows every movement naturally, providing unrestricted mobility even during demanding hikes. The lightweight 170 g/m² fabric offers an excellent balance between durability, comfort and breathability. :contentReference[oaicite:0]{index=0}

The environmentally friendly Bionic Finish® Eco DWR treatment repels water without using harmful PFC compounds, helping protect the fabric from light rain and moisture while maintaining breathability. :contentReference[oaicite:1]{index=1}

The ergonomic design includes pre-shaped knees, an elastic waistband with a wide rear stretch insert, four practical zippered pockets and adjustable lower legs with zippers and gussets, allowing the trousers to fit comfortably over high trekking boots. An elastic belt is included for an even better fit. Reflective details improve visibility in low-light conditions. :contentReference[oaicite:2]{index=2}

Key Features

• Lightweight 3-season trekking pants.
• Active Flex 4-way stretch fabric.
• Bionic Finish® Eco DWR water-repellent treatment.
• Lightweight 170 g/m² fabric.
• Four secure zippered pockets.
• Pre-shaped ergonomic knees.
• Adjustable lower leg openings with zippers.
• Elastic waistband with rear stretch insert.
• Elastic belt included.
• Reflective elements.
• OEKO-TEX® STANDARD 100 certified materials.
• Breathable and moisture-wicking construction.

Technical Specifications

• Manufacturer: Viking
• Model: Expander Man
• Manufacturer code: 900/23/2309/7400
• Colour: Khaki
• Main material: 90% Polyamide, 10% Elastane
• Fabric weight: 170 g/m²
• Stretch: Active Flex (4-way stretch)
• Water-repellent finish: Bionic Finish® Eco DWR
• Certification: OEKO-TEX® STANDARD 100
• Pockets: Four zippered pockets
• Waist: Elastic waistband with rear stretch insert
• Knees: Pre-shaped ergonomic construction
• Lower legs: Adjustable with zippers and gussets
• Included: Elastic belt
• Recommended use: Trekking, hiking, mountain adventures, travel and outdoor activities

Why choose the Viking Expander Man?

The Viking Expander Man is one of the most versatile trekking trousers in the Viking collection. Lightweight, breathable and exceptionally flexible, they are built for long hikes and active travel. The combination of Active Flex technology, eco-friendly DWR protection and practical outdoor features makes them an excellent choice for mountain trekking, Camino routes, backpacking and everyday outdoor adventures.