Backcountry Base Layer Bottoms

The Backcountry Base Layer Bottoms are your go-to for versatile warmth, quick-dry performance, and lightweight packability. Designed for year-round adventure, these base layer bottoms are perfect under ski pants, inside a dry suit, or as ultra-cozy camp sleepwear.

Made with our Sterling™ fabric, these legging-like base layer bottoms feature ionic+® antimicrobial silver-containing fibers for built-in odor control, so you can wear them more between washes. The quick-dry, UPF 50+ fabric keeps you comfortable in any season, making these bottoms essential for skiing, hiking, kayaking, and camping.

• Odor-resistant ionic+® silver fiber technology for multi-day wear

• Quick-drying for ultimate performance

• UPF 50+ sun protection for year-round adventures

• Soft, wide waistband for a secure and comfortable fit

• Fit options for different body proportions (Wild Iris & Azalea)

• Pairs with the Rendezvous Ridge Long Sleeve for a complete base layer set

• Made in USA

Fabric

Our Sterling™ fabric is engineered for comfort, durability, and performance:

• 69% Recycled Polyester

• 17% Tencel® Lyocell

• 7% ionic+® Polyester (contains silver for natural odor resistance)

• 7% Lycra® Spandex (for stretch and flexibility)

Fit

A form-fitting, next-to-skin design with leggings-like comfort. The wide, soft waistband ensures a snug fit without digging in. Designed to follow your natural body shape, we offer two fit options:

• Wild Iris – best for straight/square frame shapes

• Azalea – designed for curvier body types

Refer to Your Alpine Fit for more details on fit selection.

Specs

• Weight: 5 oz (size M)