eBay with IntegritySuperSeller has it in black (bulk packaging) for $8.25
with free shipping.eBay
with Just Deals has the Belkin iPhone 4/4s Fastfit Armband Case (Gray) for $15
with free shipping. Currently priced around $20 and up in other stores. Features a secure one-handed fastening system, water-resistant polyester and TPU materials, and cable capsule.