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.
01 Professional Features
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Moisture Management
Advanced fabric technology wicks moisture away to keep you dry throughout long shifts.
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Stain Resistant & UV Protected
Built-in stain resistance and UV protection keep the shirt looking sharp and protect you on duty.
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Vented Back Yoke
Air mesh lining and underarm mesh panels boost airflow where you need it most.
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Wrinkle Free & Odor Control
Stays crisp and fresh shift after shift, resisting wrinkles and controlling odor.
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Bicomponent Construction
Cotton interior for next-to-skin comfort paired with a durable polyester exterior.
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Base Layer Design
Made to be worn all day under external carriers without sacrificing comfort or performance.
02 Find Your Fit
| Option | Details |
|---|---|
| Upper Body Material | 55% Polyester / 45% Wool |
| Lower Body Material | Polyester exterior, cotton interior |
| Sleeve Length | Short Sleeve |
See our full sizing guide.
03 Comfort & Performance