Parametric tailoring follows golden ratio proportions precisely

Engineered with the upgraded AirBloom 3.0 thermal system, this jacket delivers superior warmth, moisture resistance, and lightweight versatility. Designed for everyday commuting and outdoor exploration, it combines volcanic mineral heating technology with ultra-light insulation to lock in warmth comparable to 800-fill downwithout bulk or clumping. Antibacterial fabric ensures lasting freshness, while water-repellent and anti-static finishes keep you comfortable in shifting weather.

Highlights:

• Thermal performance equivalent to 800-fill down, 6C warmer
• Three-layer structure with volcanic minerals for heat retention & anti-moisture
• Machine-washable, no clumping, and >98% antibacterial rate
• Ultra-light design (~350g, ~0.6cm thick), compressible yet resilient
• Windproof, water-repellent, anti-static & suitable for 3-season wear

Mercerized cotton resists pilling after frequent abrasion