Fit Guide Fits true to size, but a tad smaller than a T-shirt. Size up for a looser fit. Benefits AIRTEX is a lightweight and breathable performance fabric. Up to UPF 50+ Antimicrobial treatment maintains freshness during high output activity. Form-fitting balaclava hood is built for layering under a helmet or protecting you from harsh elements. Engineered stretch. 'EQUIPMENT MODERN' reflective heat transfer. Yellow utility 'locker' loop helps you hang your garment to dry to extend its longevity. Details 50% Recycled Polyester / 50% Polyester. Machine Wash. Line Dry. Imported. The Airtex Balaclava Long Sleeve Hooded Shirt is a technical utility top engineered from AIRTEX—our breathable material for high output. It's perforated construction wicks moisture, regulates temperature, and moves with you. The form-fitting balaclava hood is designed for layering or shielding against the elements. BUILT FOR: RUNNING, SAILING, HIKING, BIKING, HUNTING, YOGA, CROSSTRAINING