The Smartwool Intraknit Merino Base Layer 1/4 Zip delivers seamless comfort and engineered performance ideal for skiing hiking running and multi day outdoor adventures.

• Made from a premium blend of merino wool recycled polyester TENCEL Lyocell and elastane for softness and flexible stretch
• Uses innovative Intraknit technology to minimize seams and reduce irritation during movement
• Features body mapped mesh zones for targeted ventilation and balanced temperature control
• Naturally wicks moisture regulates body heat and resists odors for all day freshness
• Has a quarter length zipper for quick adjustable airflow and draft protection
• Cut to a streamlined fit that stays secure and layers smoothly under outer shells
• Fully machine washable following simple care instructions