USAR Merino Base Layer Top – 100% Wool Thermal Shirt for Tactical & Rescue Operations

Designed for SAR. Built for Harsh Conditions.

The USAR Merino Base Layer Top is crafted for urban search & rescue teams, tactical responders, and field professionals working in cold and high-intensity environments. Made from ultra-fine 100% merino wool (195 g/m², 18.5 micron), this long sleeve top offers warmth, breathability, and natural odor resistance.

Its ergonomic construction with FlatLock seams prevents chafing, ensuring lasting comfort during prolonged operations—worn directly against the skin or under outer layers.

Material: 100% Merino Wool – 18.5 micron, ultra-soft, non-itchy

Weight: 195 g/m² – optimal for year-round thermal regulation

FlatLock Stitching: Durable seams that reduce skin irritation

Thermal Insulation: Retains body heat without overheating

Breathable & Moisture-Wicking: Manages sweat during high activity

Natural Odor Control: Antibacterial properties prevent smell

Flexible Fit: Works well under vests, jackets, or uniforms