Result TECH Performance Softshell Breathable Windproof Trousers/Pants 100% Spandex Water repellent, Breathable 3,000mvp, Windproof. TECH Performance Soft Shell Technology. Outer: 310g/m, 3 layer waterproof 5,000mm bonded fabric:. Outer-layer: 93% Polyester 7% Spandex. Mid-layer: TPU waterproof, breathable & windproof membrane.