New USAV Uniform Rule

APPAREL REQUIREMENTS FOR USAV/CR BEACH EVENTS

DRESS CODE/ATTIRE: Uniforms are not required. However, matching color bottoms and tops are encouraged. All athletes are REQUIRED to wear a top, for girls it must cover your midsection when standing, and bottoms such as spandex, shorts or leggings. No bikinis will be permitted for any team. Boys must wear tank tops or t-shirts that cover their midsection when standing and bottoms such as swim trunks, surf shorts, or volleyball shorts. No brief type swim trunks.

This is mandatory at all BNQ, National Championships and HP Championships. 

From https://www.nationalbeachtour.com/news_article/show/985115