Columbia Men's Meeker Peak Big & Tall Short Sleeve Crew 100% Polyester Imported No Closure closure Machine Wash ADVANCED TECHNOLOGY: Columbia Men's Meeker Peak Short Sleeve Crew is crafted of Omni-Wick Double Pique fabric that helps draw moisture away to keep you cool and comfortable in the heat. HANDY FEATURES: This men's short sleeve crew features UPF 15 for sun protective during long, active days outside. COMFORT: This men's Meeker Peak Short Sleeve Crew features 100% polyester fabric with wicking capabilities to keep you comfortable during activities. CLASSIC FIT: This men's short sleeve crew features a classic fit. Columbia Men's Meeker Peak Short Sleeve Crew is your active-day friend for it's wicking fabric and classic fit.