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The Jech Clo 3.0 Air Down Jacket is a perfect blend of lightweight comfort, exceptional warmth, and reliable protection. Engineered with advanced Jech Clo 3.0 air down technology, this jacket achieves remarkable insulation in a sleek, ultra-light design, boosting body temperature by 3.6C. Whether you're braving cold outdoor adventures or simply staying warm in everyday settings, this jacket ensures superior thermal performance while effectively shielding you from moisture and wind.

Key Features

• Ultra-Light Air Down: Utilizing Jech Clo 3.0 air down, this jacket significantly enhances warmth, increasing temperature by 3.6C.
• Exceptional Heat Retention: With an air content of 11.55L/m, the jacket provides a 3.6C rise from infrared warmth and a 7.5C rise from solar heat retention.
• Even Heat Distribution: The triple-layer dense down design ensures no cold spots, maintaining warmth even in humid conditions with a low moisture regain rate of 0.4%.
• Warmth Inside, Protection Outside: The soft micro-fleece interior effectively retains heat, while the tightly woven outer shell offers wind and water resistance, with wind protection <10mm/s and water repellency rated at level 4.
• Slim and Packable Design: This technologically advanced mid-layer offers warmth without bulk, and folds down to the size of an A4 notebook for easy portability.

Product Technology

• Jech Clo 3.0 Air Down: Featuring an air content of 11.55L/m and a thermal CLO value of 2.2, the down's light retention and infrared heating functions boost warmth effectively.
• Triple-Layer Dense Down: Ensures even heat distribution without cold spots, with a low moisture regain rate that resists clumping and maintains long-lasting loft and warmth.
• Tightly Woven Protective Shell: Offers wind protection <10mm/s and water repellency at level 4, providing effective defense against the elements.
• Stretch Fabric: The fabric's slight elasticity allows for free movement without restriction.

Stitched for durability without added weight