Xcel Men's Ventx Short Sleeve Top, Deep Cobalt, X-Small Nylon and polyester Imported Breathable 4-way performance stretch Ventx fabric Breathable 4-way performance stretch Ventx fabric|Rated UPF30 for Very Good sun protection, blocking over 95% of harmful UVA/UVB radiation|Moisture wicking, quick drying, lightweight|Loose, relaxed t-shirt fit|