Descente Swiss S.I.O SHELL 3L JACKET Man

DESCENTE S.I.O SHELL 3L SKI JACKET

The DESCENTE S.I.O Shell 3L Jacket is a high-performance technical ski shell designed for demanding mountain environments. Built with advanced S.I.O engineered patterning and Dermizax® membrane technology, this jacket delivers exceptional mobility, weather protection, and breathability — making it ideal for skiers who want precision performance without excess bulk.

Key Features

• 20,000mm waterproof rating for strong storm protection
• High breathability with advanced ventilation system
• S.I.O engineered pattern for natural movement and ergonomic fit
• Matte 4-Way Stretch 3-Layer shell construction
• Quick wrist adjusters for secure sealing
• Integrated powder skirt for deep snow days
• Pass holder pocket for easy lift access
• Multiple ventilation zones for temperature control

Technology

S.I.O Engineered Pattern
Designed to follow the skier’s natural body movement, reducing restriction and enhancing comfort during aggressive skiing.

Dermizax® Membrane
Advanced waterproof and breathable membrane that maintains protection in changing mountain conditions.

Breathing System
Strategic ventilation zones allow quick heat release and micro-climate regulation while skiing.

Performance Specs

• Waterproof Rating: 20,000 mm
• Breathability: 10,000 g/m² / 24h
• Fabric: Matte 4-Way Stretch 3L
• Outer Composition: Elasterell-P 51% / Polyester 49%
• Inner Lining: Nylon 100%
• Fit: S.I.O Regular Fit

Designed For

Performance-focused skiers who prefer a lightweight technical shell with maximum mobility, reliable waterproofing, and clean Japanese design aesthetics.