FCSII Matt Biolos Mayhem Performance Core Carbon Small Tri Fin Set
$199.95
FCSII Matt Biolos Mayhem Performance Core Carbon Small Tri Fin Set
Only 1 left in stock
Description
Designed by revered shaper Matt “Mayhem” Biolos. Same proven template with a new look.
Overview
The MB template offers freedom to perform tight turns in the pocket with an emphasis on speed.
Sitting in the Reactor family, the MB is considered a high-performance fin because it responds incredibly fast, but still offers enough control so you can confidently lay into a turn with plenty of force.
Ideal Conditions
A wide range of conditions, particularly good in critical overhead waves.
Board Types
Designed to fit the FCS II Fin System.
Performance shortboards and hybrid models.
Fin Family
Reactor: Find Speed. Speed, tight turns & snaps.
SMALL (55Kg – 70Kg / 120 – 155 Lbs)
MEDIUM (65Kg – 80Kg / 145 – 175 Lbs)
LARGE (75Kg – 90Kg / 165 – 200 Lbs)
Delivery & Returns
Delivery
• Free Shipping: Automatically applies to Australian orders $100 or more.
• Fast Dispatch: Orders placed before 12pm NSW time ship out same or next business day.
• New Zealand: Standard retail parcels only, flat-rate from $20 AUD.
Find out more about our delivery options.
Click & Collect
Select Click & Collect at checkout to reserve your gear instantly at our Ulladulla counter.
• Ready Window: Orders are processed and safely wrapped within 30 minutes to 3 business hours. Please wait for your confirmation SMS before heading into the shop.
Find out more about Click & Collect.
Returns
Southern Man returns and sizing exchanges are available for Australian retail orders.
• 7-Day Window: Items must be returned or sent back to our warehouse within 7 days of your tracking delivery date.
• Exclusions: No return or exchange is accepted on clearance sale items, swimwear, underwear, or oversized freight lines.
Find out more about our return policy guidelines.
Inventory Status
🟢 100% In Stock: Our online storefront links directly to our physical shop inventory in real-time. If it's on your screen, it is sitting on our store hangers right now.




















