balletballet says:

Loose fitting boys shorts, perfect for Acro, ballet or modern. 

Manufacturer says:
1st Position brings you their new and exclusive Mens Dancewear range. Featuring body-conforming garments for a clean line and fabrics that offer superior support and freedom to move.

* Loose fit shorts with elasticated waistband
* Developed for a boy’s specific fit
* Great for class and warm up
* Fabric: Cotton/Polyester/Elastane

Product Warnings:
Warning: Keep away from fire
Warning: Dancewear/Costume designed for training, exam or stage use only

Concerned about getting the right fit? Of course, we understand, check our sizing charts .