Builtcool Men's Crew Neck Instant Cooling Moisture Wicking Performance UPF 50 Short Sleeve Workout Shirt has special Nano Cooling Material. The Ice-a fiber is added to Nano-Grade Ice Jadeite Cool Material, which instantly removes the skin's surface heat, increases cool feeling, and helps keep skin cool and comfortable for a long time. Composed of 95% Polyester and 5% Spandex Dry Performance, the advanced Ice-a fiber adopts special shaped cross section, which provides fast moisture conduction and continuous heat dissipation and provides UPF 50 sun protection. The classic T-Shirt design is perfect to complete your favorite, everyday look

Special Nano Cooling Material: Ice-a fiber is added to Nano-Grade Ice Jadeite Cool Material, which instantly removes the skin's surface heat, increases cool feeling, and helps keep skin cool and comfortable for a long time.

95% Polyester and 5% Spandex Dry Performance: Ice-a fiber adopts special shaped cross section, which provides fast moisture conduction and continuous heat dissipation.

Provides UPF 50 sun protection.

Special jadeite material creates an instant 'cool to the touch' feel.

Features a classic T-Shirt design to complete your favorite looks.