A method of augmenting or reconstructing a breast of a patient includes providing an implantable member and implanting the implantable member. The implantable member includes an exterior surface defined by an anterior face and a posterior face, wherein one of the anterior face and the posterior face includes at least one fixation region defined by a texture, roughness or sheen different from a respective texture, roughness or sheen of a balance of said one of the anterior face and posterior face. The implantable member is implanted into a breast of a patient such that the fixation region of the implantable member generally aligns with the pectoralis major muscle group or the pectoralis minor muscle group.