
Optimax OX25AB4 MK4 Mast
Optimax OX25AB4 MK4 Mast
The most stiff and powerful mast, designed for experienced, heavier-weight sailors. The Mark IV mast for the Optimist is mainly suitable for sailors above 45 kg.
All Optimax spars are made of the best materials. The masts are made of superior Lanurep spacecraft alloy, ensuring maximum stiffness/weight ratio. Every batch of tubes is tested to ensure constant quality and bend characteristics.
All masts are hard anodized to dark grey, providing a durable and long-lasting surface. These spars are equipped with the best parts on the market.
- Superior Lanurep spacecraft alloy
- High grade 45 um hard anodized surface
- Windesign wind indicator PRO
- Pennant holders
- Harken hook-in block
- 3 mm Dyneema primary halyard line with Windesign low friction ring
- Technora / Dyneema secondary halyard line
- Hard anodized aluminum Clamcleat
- Aluminium pin stop
- Sprit adjuster handle
- Low friction end stop
- Supplied with Rigging Pack (OX25)
Couldn't load pickup availability
Pickup available at Optimist Canadians
Usually ready in 5+ daysPairs well with

Optimax OX25AB4 MK4 Mast
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
We ship all orders within 1-2 business days. Free shipping on orders over $150 within North America. International shipping available. Our carefully packaged sailing equipment arrives ready for your next water adventure.
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Customer Support
Our team of sailing experts is available Monday-Friday, 9am-5pm EST to assist with any questions about our equipment. Contact us at support@kaoslifestyle.com or call (555) 123-4567 for personalized assistance.
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FAQ's
Find answers to common questions about our sailing equipment, maintenance tips, yacht club purchasing programs, and charter services. Visit our FAQ page for detailed information on product specifications and performance guidelines.
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Contact Us
Need specialized assistance for your sailing club or event? Our dedicated team is ready to help with custom orders, VS Buoys configurations, and charter services. Reach out directly at sales@kaoslifestyle.com for personalized solutions.

We are here to support your sailing journey
Our team of sailing enthusiasts is dedicated to providing exceptional customer service for all your sailing needs. From product recommendations to technical support, we're here to ensure you have the best possible experience on the water.
Experience the Kaos commitment to quality support:
- Expert product guidance from fellow sailors
- Fast shipping on all in-stock items
- Hassle-free returns and exchanges
- Dedicated support for club and team orders

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FAQs
Please read our FAQs page to find out more.
Where do you ship from?
We ship from Quebec Canada for most in stock orders, some order might be shipped from our mobile trailer in the United States
Where do you ship to?
We ship to all major countires where Purolator and/or Canada Post goes. You will find the shipping price at the end of the order.
What's your return policy?
We offer a 30 days money back return policy. You can find more details on our return policy. Refund Policy





