Shop for a Cause Event Shop for a cause. JCrew at the Cape Cod Mall will partner with the Historical Society of Old Yarmouth to celebrate the organization’s 70th Anniversary on May 6 from 11 a.m. -3 p.m. Ten percent of all sales during that time will be donated to support the society’s programs. This is for in-person shopping only for men’s, women’s and children’s clothing. Society President Aleina Laughton will be the stylist for the event.