REI Garage offers the Tasc Performance Women's Nola Long-Sleeve Top in Voodoo Purple or Magnolia for $21.73 $21.94. Opt for in-store pickup to dodge the $5.99 shipping fee. Excluding the below mention, that's the lowest price we could find by $7. It features UPF 50+ sun protection and is available in sizes XS to XL.

Note: Amazon offers it in these colors with prices starting at $14.49 $10.81 or these additional colors with prices starting at $17.90 $25.13, all with free shipping for Prime members. (Sizes and stock are extremely limited at the lowest prices; most color/size combinations are $30 or more.)