The Marmot Silkweight Bottom is a base layer made from incredible wicking fabric that keeps you dryand therefore warmwhen youre hard at work or play in the snow.

The North Face VaporWick Light Tights moisture wicking properties and light weight make it ideal for aerobic winter sports.

Patagonia Capilene Silkweight Bottoms are Patagonias sleekest base layer.

The Marmot Midweight Bottom is a soft, stretch, waffle-knit base layer with a cozy brushed inside.

The North Face VaporWick Mid Tight provides superior moisture wicking to prevent conductive heat loss.

The Patagonia Capilene Midweight Bottoms are womens long underwear for aerobic activity in cold weather.

The Womens Rho SL Bottom is a nearly weightless addition to your active wardrobe.

The Patagonia Expedition Weight Fleece Bottoms for women deliver supreme warmth while retaining breathability.

The Ibex Woolies Rib Bottom is a lightweight Merino bottom layer for performance sports.

The North Face womens Moxie pant is a high-performance pant to wear during cool weather workouts.

The Ibex Woolies Long Janes are a Merino wool midweight base layer designed for comfort and versatility.

R1 Womens Pants by Patagonia are a warm alternative to fleece bottoms. Patagonias R1 insulation traps warm air to keep your body temperature constant.

Start your layering from the legs up with the Womens Arcteryx Rho LT Bottom.

The Arcteryx Rho LTW Bottom for women is a super-tech Merino/lycra base layer. Fine Merino wool makes the lightweight Rho soft against your skin and wicks moisture with ease.

The Arcteryx Rho Bottom is soft on the inside to retain warmth and make you feel great.