Smartwool Intraknit Thermal Merino Base Layer 3/4 Bottom Men's

When high-intensity winter adventures demand peak performance, the Smartwool Intraknit Thermal Merino Base Layer 3/4 Bottom delivers game-changing comfort that moves with you. This innovative men's base layer harnesses Smartwool's revolutionary Intraknit™ technology to seamlessly integrate insulation, ventilation, and articulation into one performance-engineered garment. The Merino Sport yarn construction combines the natural temperature regulation and odor resistance of ZQ-certified merino wool with synthetic durability for faster dry times, while strategically placed mesh ventilation zones prevent overheating during intense output. Built with 3D-mapped design that follows your body's contours, these thermal bottoms provide a near-custom fit that maximizes mobility whether you're skinning up peaks, trail running in winter conditions, or tackling any high-energy outdoor pursuit that demands both warmth and breathability.

Features

• Intraknit™ technology seamlessly integrates insulation, articulation, and ventilation for enhanced movement and comfort
• Merino Sport yarn combines natural wool benefits with enhanced durability and fast-drying performance
• 3D-mapped design provides near custom fit and freedom of movement during activity
• Seamlessly knit mesh ventilation zones prevent overheating and moisture buildup
• Body-contoured slim fit follows natural contours for optimal layering
• ZQ-certified Merino wool ensures ethical and sustainable sourcing practices
• All-season versatility with winter-ready thermal performance