as modifierDenoting an article of clothing, typically a singlet, swimsuit, or bra, in which the shoulder straps are joined between the shoulder blades.
（服装，尤指背心、女式泳衣、胸罩等）T背的，T字形后身的
a racerback tee
Example sentencesExamples
Larger breasted women usually prefer racerbacks or T-backs because they offer more support.
Some dancers make their own alterations to make their leotard more appealing - cut the back, pinch the neckline, turn tanks into racerbacks, and even use dye to get the perfect color.
Also, consider racerback tops with a high Lycra content, as they are the most comfortable and supportive for larger bust sizes.
Definition of racerback in US English:
racerback
nounˈrāsərˌbak
as modifierDenoting an article of clothing with a T-shaped back behind the shoulder blades to allow ease of movement in sports.
a racerback tee
Example sentencesExamples
Also, consider racerback tops with a high Lycra content, as they are the most comfortable and supportive for larger bust sizes.
Some dancers make their own alterations to make their leotard more appealing - cut the back, pinch the neckline, turn tanks into racerbacks, and even use dye to get the perfect color.
Larger breasted women usually prefer racerbacks or T-backs because they offer more support.