For breastfeeding mothers, a good breast pump can be a much-needed lifeline. Being able to effectively and efficiently express milk to share night-time feeds, or in preparation for returning to work, makes the pump an important tool in a parent’s arsenal. The latest addition to Eufy’s parenting line-up, the S2 Pro Wearable breast pump, promises great comfort and convenience, so we tried it out to see if the benefits match up to the premium price tag.