The best-selling Ferrosi, now in plus sizing. The Outdoor Research Women's Ferrosi Pants - Plus bring Outdoor Research's best-selling trail-and-travel fabric to inclusive sizing from 16W to 24W, with articulated knees, a harness-compatible waistband and built-in UPF 50+ sun protection. This listing is the Regular length.

Ferrosi fabric is a bluesign® approved blend of recycled nylon, nylon and spandex that is water-resistant, wind-resistant, breathable and quick-drying, with movement-mirroring stretch and abrasion-resistant construction. Articulated knees give a natural range of motion on the trail, and the harness-compatible waistband works seamlessly under a climbing harness. Drop-in hand pockets and a security zip pocket keep your essentials sorted.

Choose the Ferrosi Pants - Plus when you want a proper stretch hiking trouser in your size for day hikes, multi-day treks, approach walks and crag days, and travel in between.

Why you'll love it

• Inclusive sizing – 16W to 24W, made in Short, Regular and Tall lengths
• Articulated knees – natural range of motion on the trail
• Harness-compatible waistband – works seamlessly with a climbing harness
• UPF 50+ protection – built-in sun protection
• Movement-mirroring stretch – comfortable, secure fit

Good to know

• Sizes in this listing: 16W, 18W, 20W, 22W, 24W in Regular length
• Colours: Black, Dark Navy, Light Pewter, Pewter
• Weight: 549g
• Material: recycled nylon, nylon and spandex, bluesign® approved
• Water-resistant, wind-resistant, breathable, quick-drying and abrasion-resistant
• Drop-in hand pockets and a security zip pocket

Who it's for

Women in sizes 16W to 24W at any level who want a light, stretchy all-season trouser for day hikes, multi-day treks, approach walks, crag days and travel.