Mares Buoy TRAINING, High-Buoyancy Freediving BuoyBuoy TRAINING Professional Freediving Buoy for Safe and Efficient Practice Train like a pro with the Buoy TRAINING by Mares, available at Aquatic Sports. This high performance buoy is designed for freedivers and instructors who demand safety, durability, and ease of use during open water training sessions. High Buoyancy Design Provides excellent flotation and stability for surface rest and line management. Heavy Duty Construction Made from robust