Smartwool Intraknit Thermal Merino Base Layer 1/4 Zip Men's Second Ascent – Tightening through a ratchet

– Tightening through a ratchet system for a secure and fast fit– Bi-material comfort strap– Sound and Shock Absorbing System (SSAS)– Easy Ascent SSAS Heel lift

The super lightweight Tubo Road tube offers a significant weight savings over standard rubber tubes which can be crucial when it comes down to the wire

the Corsa Control adds a textured shoulder tread to the mix

*High performance cartridge bearing with 35% greater load capacity than a standard retainer separated cartridge bearing

Article number: F89630

Smartwool Intraknit Thermal Merino Base Layer 1/4 Zip Men's Second Ascent – Tightening through a ratchetNew to our innovative Intraknit line is the Men's Intraknit Thermal Merino Base Layer 1 4 Zip. This Smartwool base layer is 3D mapped for a near custom fit and freedom of movement. Its engineered construction helps enhance your performance with a lighter weight and cleaner finish. If you're looking for base layer clothing for cold weather, this one uses Merino Sport yarn that combines the power and benefits of Merino wool with the durability and fast