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MID4 3+3 – Three Boards in One.
The MID4 3+3 is the next evolution of our best-selling mid-length. Built directly from the MID6 – the most popular board we've ever made – it takes everything riders love about that shape and opens it up with the 3+3 fin system.
That means three boards in one. Ride it as a true quad for drive and hold, a true twin/twinzer for speed and flow, or an asym for the best of both. Super versatile, super fun – no second board needed.
The MID4 keeps the easy wave-catching the MID6 is famous for, with a slightly tighter nose for more pocket-surfing comfort and a forgiving flat bottom that stays fast and free through any section. You can ride it comfortably on or well over volume.
The shorter sizes (5'10, 6'0, 6'2) drop smaller and more performance-oriented than ever – perfect for higher-level surfers, or anyone wanting MID6 DNA in a shorter package. The bigger sizes (6'6, 6'10, 7'4) bring more flow and paddle power – ideal for downsizing from a longer board or complementing your MID6 or MOE.
Key Features
- Plan Shape – Direct MID6 scale with a tighter nose outline for added pocket-surfing comfort.
- Bottom Contour – Flat entry with Billy's signature rail relief – forgiving, fast, and free.
- Channels – Four channels (down from the MID6's six) to make room for the 3+3 fin system.
- Rails – A more performance rail that penetrates the wave cleanly, without stickiness.
Fins
- Quad: (black plugs)
- Twin: (white plugs) – for Twinzer add a set of canards in the front quad box
- Asym: Twin on toe side, quad on heel side
Dims
| Length | Width | Thickness | Volume |
| 5'10" | 19 1/4" | 2 3/8" | 28 L |
| 6'0" | 19 1/2" | 2 1/2" | 31 L |
| 6'2" | 19 3/4" | 2 5/8" | 33 L |
| 6'6" | 20 1/8" | 2 11/16" | 37 L |
| 6'10" | 20 3/8" | 2 3/4" | 40 L |
| 7'4" | 21" | 2 13/16" | 46 L |
If you've been curious about asym boards, or just want more out of one shape, the MID4 3+3 opens the door. Our best-selling mid-length – now three boards in one.
Thunderbolt Black
Hi Performance
- Carbon Fiber Lamination
- Competition Weight & Flex
- Hand Crafted
The construction that focuses on performance is black. We focused on maximizing the performance of Thunderbolt technology to achieve the aggressive riding required in competition and smooth vertical movement in large waves. Its construction features 6oz carbon fibre laminate combined with 2oz fiberglass. With the lightness and suppleness of carbon fibre, Black is incredibly light, with fast flex and responsiveness throughout the board. From hard rips in large waves to roundhouse cutbacks on full rails and even tube riding, you can draw any manoeuvre you want.