Sinatra Undervest Short Sleeve Base Shirt

Duty-ready comfort, built for the base layer. The Sinatra Undervest Short Sleeve Base Shirt combines the functionality of patrol uniforms with the comfort of a true base layer — engineered for all-day wear under external carriers with advanced moisture management and breathable construction that keeps you cool, dry, and professional through every shift. This lightweight upper fabric provides breathability, moisture management, durability, comfortable stretch, and shape retention.

01 Professional Features

• Moisture Management

  Advanced fabric technology wicks moisture away to keep you dry throughout long shifts.

• Stain Resistant & UV Protected

  Built-in stain resistance and UV protection keep the shirt looking sharp and protect you on duty.

• Vented Back Yoke

  Air mesh lining and underarm mesh panels boost airflow where you need it most.

• Wrinkle Free & Odor Control

  Stays crisp and fresh shift after shift, resisting wrinkles and controlling odor.

• Bicomponent Construction

  Cotton interior for next-to-skin comfort paired with a durable polyester exterior.

• Base Layer Design

  Made to be worn all day under external carriers without sacrificing comfort or performance.

02 Find Your Fit

See our full sizing guide.

03 Comfort & Performance