The Optimast Ultimate Racing Red Flex Boom is designed for competitive Optimist sailors who want a dynamic and responsive rig, especially in open-water and wave conditions. Built from high-strength AW 7075 aluminium with a 1.5 mm wall thickness and a 40 mm diameter, this boom offers an excellent balance between stiffness, durability, and controlled flex.

The Red Flex boom is typically paired with Red Flex and Blue masts to fine-tune rig response, helping the sail stay active and efficient in challenging conditions. Fully compliant with IODA class rules.

Key features

• Ultimate Racing Red Flex boom

• Diameter: 40 mm

• Wall thickness: 1.5 mm

• Material: AW 7075 aluminium

• Dynamic flex profile for wave conditions

• Durable and race-proven construction

• IODA class legal

Why choose Optimast

Optimast develops Optimist equipment in close cooperation with sailors and coaches worldwide. Each component is designed with a specific performance goal, delivering reliable, race-ready solutions refined through real competition.