Zoot's most popular women's ULTRA race day tri tank provides comfort, support, and UPF 50 sun protection on your most important days of the season. The buit in bra and the Dynamic X support in the back make this the most supportive tri top in the Zoot line up. The Zoot Women's Ultra Tri Tank has been upgraded this season with revolutionary ULTRApowertek with coldblackR technology which reflects 80% UV and heat rays, so even dark colors dont get hot, keeping you cooler in the sun. ULTRAcarbon anti friction panels reduce static energy for less chafing and provide maximum moisture and odor management. 4 rear pockets provide adequite storage options for your nutrition needs.