Four Three Seven 437 The Ballet Warmup Wrap Top size Small. In good preowned condition. Be sure to check out my other listings. I’m open to bundles and reasonable offers. Long sleeve layering piece with a V-neck front tie inspired by our best-selling Kenzie top. This top can be tied and worn multiple ways for extra versatility. Pair with The Ballet Bra for a perfect fit. Made with our sustainably sourced, moisture-wicking 437 cloudTM fabric.