Freediving fins mares plana avanti 3 - Mares Avanti Tre AZZURRO Medium light, efficient and economic fin ideal for advanced snorkeling, freediving in medium and low water • Orthopedic and strong shoe • Strong and durable construction • Great power at a great price The Avanti fin Tre has a soft anatomical foot pocket and a medium-sized shovel with three channels for a good flow of water during the kick cycle. Perfect for spearfishing fishermen who don't want to spend much. The upper and lower stabilizing drifts help to transfer energy from the shoe to the blade. The kick is extremely easy to extend the hours of snorkeling and spearfishing as much as possible Shoe with orthopedic design 3 channels for maximum thrust Medium-sized blade built to last Stabilizing fins