This is your armour. Period. Compression makes you feel more powerful. The seamless mesh underarm panel means chafe-free ventilation. In short, it's what you need to get better. Features*Stretch-mesh underarm panels deliver strategic ventilation *UPF 30+ protects your skin from the sun's harmful rays *4-way stretch fabrication allows greater mobility in any direction *Moisture Transport System wicks sweat away from the body *Anti-odor technology prevents the growth of odor causing microbes *Mesh panel on back neck with ARMOUR wordmark *Body: 5.0 oz. 84% Polyester 16% Elastane *Mesh: 4.6 oz. 92% Polyester 8% Elastane *Imported