Serious sun protection meets warm, gridded fleece for an odor-removing, summit-worthy, all-trail staple. The Mountain Hardwear™ Crater Lake™ Heavyweight Half Zip provides broad-spectrum protection against UVA and UVB rays. Its HeiQ Mint odor control technology keeps you dry and sweat-free. The half-zippered front closure is great for easy on/off and venting. This half-zip pullover is crafted from smooth face fabric with two-tone color options and a fleece backer for extra warmth. It is styled with long sleeves, low-profile thumbholes, a high neckline, and a straight hem.