Joining a growing group of retailers eager to match the heightened expectations of today’s shoppers and save on delivery costs, young women’s apparel seller rue21 has partnered with Mastek to offer buy online pickup in store (BOPIS) at its 700+ store locations.

The rollout began in January and is expected to be completed by the end of this month.

“Our customers are young, mobile and know what they want, whether that is fashion or flexibility,” said rue21 Chief Analytics Officer Mark Chrystal in a release. “We developed this mobile-first offering with our customers in mind and they have loved the ease of buying and trying clothes across channels.”

The project involved website design, an OMS selection…