Sale Choose Options Quick view Smartwool Men's Intraknit Thermal Max Merino Base Layer 1/4 Zip Shirt The Smartwool Intraknit Thermal Max 1/4 Zip is a high-performance base layer designed for warmth and breathability during cold-weather activities. Featuring advanced Intraknit™ technology, it offers... MSRP: $155.00 $155.00 $124.00 Choose Options Add to Wish List