"Buy online, pickup in store" has become an increasingly popular strategy for retailers looking to reduce delivery costs. But a new study reveals it isn't working as well as the store owners hope.

Ongoing innovation at Men's Wearhouse has led to the launch of its omni-channel inventory program, which gives customers visibility and access to all merchandise within the company's distribution center and its 900-plus retail locations from one location. Now, regardless of whether a customer is shopping in a single store or online, they can see all merchandise available to them throughout the company and pick up any item at the store of their choosing.