Black Diamond Alpenglow Long Sleeve Crew - Men's Creek Blue Extra Large. cool mineral based in-fiber cooling technology which reflects 71percent of near-infrared rays reducing the previeced tempature and Polygiene odor control technology that inhibits odor-causing bacteria making it a must-have for any desert kit. A technical fit paired with a highly protective fabric the Black Diamond Alpenglow Crew offers coverage on desert multi pitches high-alpine approaches and hot crag sessions. Featuring UPF 40+ and BD.cool mineral based in-fiber cooling technology this fabric reflects 71percent of near-infrared rays reducing the perceived temperature while you wear it. The Alpenglow Crew also features Polygiene odor control technology an embedded fabric treatment that uses silver-chloride to inhibit the growth of odor-causing bacteria allowing you to wear it more and wash it less. The Alpenglow Crew offers the ultimate in performance and long-wearing comfort. Specifications for Black Diamond Alpenglow Long Sleeve Crew - Men's: Manufacturer: Black Diamond Sleeve Length: Long Sleeve Age Group: Adults Apparel Fit: Regular Gender: Male Application: Casual Fabric/Material: 87percent Polyester 13percent Elastane Sleeve Type: Long Sleeve Weight: 245 g Features of Black Diamond Alpenglow Long Sleeve Crew - Men's UPF 40+ sun protection BD CoolTM mineral-based in-fiber cooling technology Underam gussets for improved range of motion Polygiene odor control technology Polygiene Antibacterial technology inhibits the growth of odor causing bacteria so garments need less washing saving water energy and wear and tear. Practical Product Lifetime Warranty - We trust what we make because we use what we make. All Black Diamond soft goods are warrantied against defects in materials and construction for the practical lifetime of the product. Package Contents: Black Diamond Alpenglow Long Sleeve Crew - Men's Black Diamond AP7520924064XLG1: Alpenglow Long Sleeve Crew - Men's Creek Blue Extra Large