JASPER 3IN1 JKT M

3-in-1 Compatible

Flexible Layering System

Designed to combine with compatible Jack Wolfskin outer or inner garments, this feature supports adaptable layering across changing seasons and weather conditions. It allows you to adjust warmth, weather protection and comfort depending on the activity and forecast.

Good for:

• Year-round outdoor use
• Changing weather conditions
• Flexible layering

Breathability 6,000 g/m²/24h

Reliable Breathability for Outdoor Comfort

A breathability rating of 6,000 g/m²/24h means the apparel fabric can let up to 6,000 grams of moisture vapour pass through one square metre in 24 hours. This supports moisture release during outdoor activity and helps reduce a damp feeling inside the garment.

Good for:

• Hiking and walking
• Everyday outdoor activities
• Variable weather conditions

Test method: JIS L 1099 B-1.

Waterproof 10,000 mm

Reliable Waterproof Protection

A water column rating of 10,000 mm means the material can withstand water pressure equivalent to a 10-metre-high column of water before it starts to leak. It indicates good waterproof performance for rain, wet conditions and outdoor activities while still supporting breathable comfort depending on the product design.

Good for:

• Light to moderate rain
• Hiking and outdoor activities
• Everyday weather protection

Test method: JIS L 1092.

Windproof

Protection Against Strong Winds

Windproof construction is designed to protect against strong winds up to 8 Beaufort or around 60 km/h. It helps reduce wind chill and maintain comfort in harsh, windy conditions.

Good for:

• Strong wind
• Exposed trails
• Harsh outdoor conditions

Windproof up to 8 Bft / around 60 km/h.