Men's Intraknit Thermal Merino Base Layer Colorblock Crew wultraventure4 Check out the first Detroit

Check out the first Detroit Marathon apparel piece offered by Brooks

competition

Breathable mesh zones and moisture-wicking fabric for optimal ventilation

and long hikes with confidence

Designed with a soft-brushed Merino wool interior and a durable recycled synthetic exterior

Men's Intraknit Thermal Merino Base Layer Colorblock Crew wultraventure4 Check out the first DetroitCrafted with innovative Intraknit technology, the Smartwool Men's Intraknit Thermal Merino Base Layer Colorblock Crew combines performance and style with a unique colorblock design. Its 3D knit construction is engineered for a custom like fit, while strategically placed mesh zones provide superior breathability. Built for durability with ribbed elbows, this base layer is designed to keep you comfortable and perform for the long haul. Features Fit: