Bikini briefs by RVCA, Smooth stretch fabric, Folded waistband, Full cut back, Machine wash, 83% Polyester, 17% Elastane, Our model wears a UK 8/EU 36/US 4. Offering more than your average action sports brand, RVCA is a design-driven lifestyle brand that doesn't concern itself with passing trends. Their fresh take on swimwear sees laser-cut designs and reversible prints splashed across bikinis and swimsuits.