Lightweight Warmth. Alpine Ready.

Designed for cold-weather training, the Alpine Insulated Vest delivers the warmth of down without the bulk. Featuring gold-standard PrimaLoft® insulation, windproof stretch fabric, and breathable fleece panels, it balances protection, breathability, and mobility for winter runs, layering, and mountain miles.

Technical Features

• Gold-Standard PrimaLoft® Insulation: Lightweight synthetic fill delivers the warmth of 140g down with superior water resistance and quick-dry performance.
• Windproof Stretch Shell: Dual-channel woven fabric blocks cold gusts while flexing naturally with running motion.
• Breathable Thermal Zones: Fleece panels at the back, sides, and collar wick sweat fast, maintaining dry warmth during exertion.
• Thermal Efficiency: Advanced construction retains 40% more warmth when wet compared to wool insulation of similar weight.
• Strategic Pocketing: Two zippered hand pockets plus dual side-entry stash pockets placed high along the ribs for secure, on-the-move access.
• Reflective Safety: Reflective zipper and heat-stamped details enhance visibility from all directions in low-light conditions.

Fit & Function

• 3D Slim Cut: Streamlined tailoring reduces drag, locks out drafts, and eliminates bulk for running-specific performance.
• Dual-Zip Ventilation: Two-way front zipper allows quick airflow control without bounce or flap.
• Hoodless Design: Pairs easily under jackets or hydration vests without layering interference.

Fabric Features

• PrimaLoft® Insulation: Gold-standard synthetic fill mimics the warmth of down while staying lightweight, breathable, and water-resistant. Retains loft and thermal efficiency even when wet.
• 225GSM Honeycomb Fleece Panels: Zoned thermal knit with raised fibers traps heat, boosts breathability, and reduces bulk.
• Moisture-Wicking Interior: Engineered channels pull sweat outward to evaporate quickly, keeping you dry and regulated.
• Durable Stretch Recovery: Fabric blend flexes naturally with movement and maintains shape through repeated wear.
• UPF 50+ Protection: Blocks 98% of UV rays for reliable coverage on exposed runs and outdoor training.

Materials

• Body: 85% Polyamide / 15% Spandex
• Panels: 75% Polyester / 25% Spandex
  
• Pockets: 100% Polyester
• Filling: 100% Polyester PrimaLoft®