-INNER SURFACE TECHNOLOGY ACTIVE SHELL JACKET- Waterproof(10,000mm), Breathable(8,000gm2/24hr), Water Repellent, Windproof, Inner Surface Technology, Para-hood System, Dual Zip Ventilation, 4 Way Stretch -A lightweight, versatile and extremely comfortable 2.5 layer active shell jacket with excellent wind and water proofing and moisture permeability.