Smartwool's Women's Classic All-Season Merino Base Layer Bottoms are the perfect layer to put on for your warm-weather adventures.

Made of lightweight, breathable Merino, these base layer pants have an updated fit that improves functionality while enhancing aesthetics for a wide range of body shapes. We wrapped our super-soft, responsibly sourced Merino around a nylon core to give it added durability, so it can keep up with you.

Wherever you're going and whatever you're doing, our lightest weight base layer bottoms are perfect for adventures during all seasons.

Rugged and hardwearing, the Horizon Circular Trousers are lightweight cargo trousers designed for gruelling treks in sweat-inducing climates. We've made them with quick-drying FlashDry™ technology that actively wicks away moisture.

So you may be sweating, but you won't look like it. The two open hand pockets and two patch pockets on the sides - all with VELCRO® closures - provide plenty of storage options.

Rugged and hardwearing, the Horizon Circular Shorts are lightweight cargo shorts designed for gruelling treks in sweat-inducing climates. We've made them with quick-drying FlashDry™ technology that actively wicks away moisture.

So you may be sweating, but you won't look like it. The two open hand pockets and two large back pockets - all with VELCRO® closures - provide plenty of storage options.

A year-round favourite, Smartwool's Classic All-Season Merino Base Layer Bottoms work hard to keep you comfortable everywhere, from the ski lifts to the campsite.

With an updated fit to improve functionality while enhancing aesthetics, these bottoms stay durable while 100% Merino next to skin keeps you comfy and ready for more action. This gear is built for four seasons of adventure.

Hiking is made easy with the Exploration Trousers.

Firstly, there's the lightweight stretch fabric that doesn't st