Most Nike Sports Bras are produced in sizes XS - XL.
Bras produced in t-shirt sizes (XS-XL) not bra sizes will not suit every size and shape. This is because a size Small bra is designed to suite someone with a sizes S ribcage and a proportionate cup. For those who are disproportionate in their ribcage to bust size a size XS - XL bra won't work.
She Science carries a range of seasonal Nike Sports Bras. Our range of Nike Sports Bras can be purchased from our online store and our bra fitting suite in Camberwell, by appointment only.
Most Nike Sports Bras we stock will be wire free, racer back and produced in XS-XL sizing. Generally these styles are suitable for lifestyle wear and low-medium impact activity.
For the right frame, yes a Nike Sports Bra can be great for running.
Of course, this depends on the particular Nike Sports Bra being reviewed and the bust size of the wearer.
Some of Nike's lifestyle crops aren't suitable as running bras for the bigger busted woman.