Altrec via Amazon offers the High Sierra Switch Blade Duffel in Black/White (pictured) for $27.99 with free shipping. That's the lowest total price we could find by $4. It features a mesh-paneled wet compartment, a top-loading end compartment with CD/MP3 player pocket and headphone port, and more.

Of note, four other colors are available for $27.99 with shipping ranging from 13 cents to $2.74.