A Longline Sports Bra: Lululemon Wunder Train Longline Bra It's no surprise that Lululemon made the list. Our top pick is the Lululemon Wunder Train Longline Bra ($68). It's long enough to be a crop top and supportive for medium-impact activity, and it doesn't feel like you're suffocating. Image Source: shop.lululemon.com Lululemon Wunder Train Longline Bra $68 from shop.lululemon.com Buy Now