You may think Taylor Swift and her kick-ass female friends are the definition of #squadgoals, but we think the Sirens Women’s Motorcycle Club has them beat. The biker gang delivers pasteurized breast milk from The New York Milk Bank for premature babies whose mothers have trouble breast-feeding. (Studies have shown premature infants develop faster when given breast milk than formula.) The bikers can weave through crazy Manhattan traffic faster than delivery trucks, so preemies can get breast milk fast when they need it.

The New York Post interviewed some of the badass bikers in this inspiring video. Check it out: