USAR Merino Base Layer – 100% Wool Tactical Thermal Underwear

Engineered for Search & Rescue, Built for Extreme Conditions

Crafted for first responders, SAR professionals, and tactical teams, the USAR Merino Base Layer delivers unmatched comfort, insulation, and breathability in a lightweight form. Made from 100% natural merino wool (195g/m², 18.5 micron), this base layer regulates body temperature while providing essential warmth without bulk.

Whether you're operating in cold disaster zones or layering under tactical outerwear, the USAR Merino keeps you warm, dry, and odor-free—day after day.

Material: 100% Merino Wool – 18.5 micron, ultra-soft and itch-free

Fabric Weight: 195g/m² – ideal for multi-season performance

FlatLock Seams – prevents chafing and skin irritation

Thermal Insulation – retains body heat in cold environments

Breathable & Moisture-Wicking – keeps you dry during high activity

Naturally Odor-Resistant – antibacterial wool prevents bad smells

Comfortable Fit – stretches with your body, soft against skin