Arena Marbled Brief Polyester M7/W9 is a men's size

M7/W9 is a men's size 7 and a women's size 9)

nylon inner lining

See our size chart for specific guidance on body measurements

this suit does have the green check mark indicating that it is approved and legal for competition

faster kicks for additional propulsion through the water

Arena Marbled Brief Polyester M7/W9 is a men's sizearena's durable Marbled Swim Briefs are ideal for regular swimmers. The highly chlorine resistant MaxLife Eco fabric with integrated UPF 50+ UV protection is extremely quick drying and long lasting. This eco friendly evolution of arena's MaxLife fabric contains at least 50% recycled polyester, obtained from PET bottles. Furthermore the production process of the fabric was optimized to save energy, reduce CO emissions and minimize water usage. Equipped