Hollie Watman Swimwear and Leggings
The product: Hollie Watman Swimwear and Leggings ($99-$228)
The donation: 15 percent of sales
The organization: Breast Cancer Research Foundation
Why you need it: Because if you're going to get a new pair of active leggings, they should be as cute as they are charitable. This collection also has beautiful luxury swimwear in bright pink, which benefits the same cause.