Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip Black Size:S 55% recycled polyester

55% recycled polyester

Brim stiffener is made with NetPlus® 100% recycled fishing nets

A Longer Liner: Stretch boxer-brief liner

Our Women's Hike Light Cushion Tube Stripe Crew Socks is designed to help take care of your feet and elevate every hike

Powerful and flexible knitted compression support to protect and stabilise the lower leg to reduce muscle damage and shin splints

Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip Black Size:S 55% recycled polyesterSW016370001 We've updated the fit of our Women's Classic Thermal Merino Base Layer 1 4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and one of our best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help prevent chafing as well as keep you comfortable and temperature regulated as you enjoy high intensity