Men's Stone Glacier Insulated 1/2 Zip Hoodie 18284-10007-SG While we didn’t exactly build the Synthetic Hoodie as a high-elevation beach umbrella, you can certainly use it as one when you’re glassing at high elevation. The hood and extended face coverage will keep you cool and protect against sun exposure. And if you get too warm, the ¾-zip zipper is a built-in air conditioner. Made for the early season, the hoodie can easily become a late-season base layer thanks to its moisture-wicking properties and Polygiene odor treatment. Technology Polygiene prevents the growth of odor-causing bacteria at the source. To do this Polygiene uses low concentrations of silver salt (silver chloride), which has antimicrobial properties. The treatment is applied at the finishing stages of textile production and field and lab tests show a high level of odor control beyond the usual lifespan of a garment. Polygiene silver salt technology is only active on the textiles itself. Polygiene is not nanosilver. Avro tops protect from the harmful effects of the sun’s UV rays and blocks more than 95% of UV rays. Moisture Wicking Breathability Water Protection Wind Protection Durability Quietness Features Soft to the touch Synthetic Fabric Technology Pilling Resistant Polygiene® odor treatment Moisture wicking UPF 43+ protection Quick drying Fitted hood with extended face coverage Odor resistant 3/4 Zipper Anatomical Fit Men's Stone Glacier Insulated 1/2 Zip Hoodie