The Outdoor Research Merino 220 Sensor Liners feature Interlock 100% Merino wool to keep you as warm and comfortable as a lamb.

• The Outdoor Research Merino 220 Sensor Liners feature Interlock 100% Merino wool to keep you as warm and comfortable as a lamb.
• Improved shape retention
• Touchscreen compatible printed thumb and index
• Tapered wrist
• Subtle branding on pull-tab