Mens Ferrosi Convertible Pants 36 - Mushroom. Outdoor Research Athlete Ambassadors and employees invariably turn to the soft shell Ferrosi Shorts™ and pants when the weather turns warmer. That's why we're introducing the stretchy, breathable Ferrosi Convertible Pants™. These two-in-one bottoms feature zip-off lower legs, making them ideal for hiking and backpacking; They're never too hot but always block shiver-inducing wind and light rain on