Mac in a Sac Venture Mens Ultralite Reg Trousers VENT-ULTMR Conquer the trails with confidence in our Ultralite Trouser—the ultimate choice for trail runners and outdoor enthusiasts who demand performance without compromise. Crafted from ultra-light, flexible Vaporlite fabric (90% Polyester, 10% Spandex), these trousers deliver exceptional freedom of movement, letting you push your limits in total comfort. Whether you’re racing against the clock or navigating rugged terrain, they adapt effortlessly to your pace and the conditions. Lightweight, durable, and built for speed—because every second counts. Ultra lightweight trousers offering waterproofing and breathability and ideal for running. Whether pounding the city streets or tackling hills, the Ultralite has you covered. Product Features Highly Waterproof 8,000mm Highly Breathable 16,000gsm Fully taped seams Windproof Elasticated waist Articulated shape Elastic leg hem with zipper Reflective detailing PFD & PFOA free Fabric: 96% Polyester / 4% Spandex Size: S - 2XL