Firewire Boss Up
Midlength / funboard. 7 sizes from 6'6" to 7'6", 13 to 51 liters, listed by Coastline Surf Shop, Down the Line Surf, Firewire / Slater Designs, Gorge Performance and 5 more. In stock from $750.
Every size and price
| Size | Liters | Price | Store |
|---|---|---|---|
| 6'6" | 39.5 | $900 sold out | Rider Shack |
| 6'6" | 39.5 | $1,015 | Wind & Wave Watersports |
| 6'6" × 20" × 2 3/16" | 39.5 | £750 sold out | Down the Line Surf |
| 6'6" × 20" × 2 3/16" | 39.5 | £870 sold out | Down the Line Surf |
| 6'6" × 20" × 2 3/16" | 39.5 | £780 sold out | Down the Line Surf |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Fiberglass Lam | 39.5 | $914 sold out | Inflight Surf Shop |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Volcanic Lam | 39.5 | $980 sold out | Inflight Surf Shop |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Fiberglass Lam | 39.5 | $960 sold out | Inflight Surf Shop |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Volcanic Lam | 39.5 | $1,025 sold out | Inflight Surf Shop |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Volcanic Lam | 39.5 | $1,045 sold out | Inflight Surf Shop |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Fiberglass Lam | 39.5 | $1,000 sold out | Inflight Surf Shop |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Volcanic Lam | 39.5 | $1,065 sold out | Inflight Surf Shop |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Fiberglass Lam | 39.5 | $1,010 sold out | Inflight Surf Shop |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Volcanic Lam | 39.5 | $1,085 sold out | Inflight Surf Shop |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Fiberglass Lam | 39.5 | $1,040 sold out | Inflight Surf Shop |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Volcanic Lam | 39.5 | $1,105 sold out | Inflight Surf Shop |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Fiberglass Lam | 39.5 | $1,060 | Inflight Surf Shop |
| 6'6" × 20" × 2 3/16" I-Bolic Core with Volcanic Lam | 39.5 | $1,125 sold out | Inflight Surf Shop |
| 6'6" × 20 1/8" × 2 7/8" White / I-Bolic 2.0 Core with Fiberglass Lamination | 39.5 | $995 sold out | Firewire / Slater Designs |
| 6'8" | 40.8 | $960 sold out | Rider Shack |
| 6'8" | 40.8 | $945 sold out | Rider Shack |
| 6'8" Round Pin / Futures 5-Fin / Sanded Finish / Clear / Ibolic T | ≈13.0 | $1,040 | Surfboard Factory Hawaii |
| 6'8" | 13.0 | $1,125 | The Board Source |
| 6'8" × 20 1/4" × 2 7/8" | 40.8 | £815 | Down the Line Surf |
| 6'8" × 20 1/4" × 2 7/8" | 40.8 | £870 sold out | Down the Line Surf |
| 6'8" × 20 1/4" × 2 7/8" | 40.8 | £780 sold out | Down the Line Surf |
| 6'8" × 20 1/4" × 2 7/8" White / I-Bolic 2.0 Core with Fiberglass Lamination | 40.8 | $995 sold out | Firewire / Slater Designs |
| 6'10" | 13.0 | $1,125 | Gorge Performance |
| 6'10" | 13.0 | $965 sold out | Gorge Performance |
| 6'10" | 43.0 | $1,125 sold out | Rider Shack |
| 6'10" | 43.0 | $965 sold out | Rider Shack |
| 6'10" | 43.0 | $1,145 | Wind & Wave Watersports |
| 6'10" × 20 3/8" × 2 15/16" | 43.0 | £835 sold out | Down the Line Surf |
| 6'10" × 20 3/8" × 2 15/16" | 43.0 | £940 | Down the Line Surf |
| 6'10" × 20 3/8" × 2 15/16" | 43.0 | £780 sold out | Down the Line Surf |
| 6'10" × 20 3/8" × 2 15/16" White / I-Bolic 2.0 Core with Fiberglass Lamination | 43.0 | $1,125 | Firewire / Slater Designs |
| 6'10" × 20 3/8" | 43.0 | $1,045 sold out | Rider Shack |
| 7'0" | 13.0 | $1,255 | The Board Source |
| 7'0" | 13.0 | $1,125 | The Board Source |
| 7'0" × 20 7/16" × 2 15/16" | 44.3 | £855 sold out | Down the Line Surf |
| 7'0" × 20 7/16" × 2 15/16" | 44.3 | £940 sold out | Down the Line Surf |
| 7'0" × 20 7/16" × 2 15/16" White / I-Bolic 2.0 Core with Fiberglass Lamination | 44.3 | $1,125 sold out | Firewire / Slater Designs |
| 7'2" | 46.4 | $1,005 sold out | Rider Shack |
| 7'2" Round Pin / Futures 5-Fin / Sanded Finish / Clear / Ibolic T | ≈13.0 | $1,300 | Surfboard Factory Hawaii |
| 7'2" Round Pin / Futures 5-Fin / Sanded Finish / Clear / Ibolic T | ≈13.0 | $1,055 | Surfboard Factory Hawaii |
| 7'2" × 20 1/2" × 3" IB | 46.4 | $1,325 sold out | Coastline Surf Shop |
| 7'2" × 20 1/2" × 3" IB | 46.4 | $1,350 sold out | Coastline Surf Shop |
| 7'2" × 20 1/2" × 3" IB | 46.4 | $1,375 sold out | Coastline Surf Shop |
| 7'2" × 20 1/2" × 3" ' IB | 46.4 | $1,395 sold out | Coastline Surf Shop |
| 7'2" × 20 1/2" × 3" | 46.7 | £875 | Down the Line Surf |
| 7'2" × 20 1/2" × 3" | 46.7 | £940 sold out | Down the Line Surf |
| 7'2" × 20 1/2" × 3" | 46.7 | £880 sold out | Down the Line Surf |
| 7'2" × 20 1/2" × 3" White / I-Bolic 2.0 Core with Fiberglass Lamination | 46.4 | $1,125 sold out | Firewire / Slater Designs |
| 7'4" | 48.4 | $1,025 sold out | Rider Shack |
| 7'4" Round Pin / Futures 5-Fin / Sanded Finish / Clear / Ibolic T | ≈13.0 | $760 | Surfboard Factory Hawaii |
| 7'4" | 13.0 | $750 | The Board Source |
| 7'4" | 13.0 | $1,125 | The Board Source |
| 7'4" | 13.0 | $1,255 | The Board Source |
| 7'4" × 20 7/16" × 3 1/16" | 48.4 | £895 | Down the Line Surf |
| 7'4" × 20 7/16" × 3 1/16" | 48.4 | £940 | Down the Line Surf |
| 7'4" × 20 7/16" × 3 1/16" | 48.4 | £880 sold out | Down the Line Surf |
| 7'4" × 20 7/16" × 3 1/16" White / I-Bolic 2.0 Core with Fiberglass Lamination | 48.4 | $1,125 sold out | Firewire / Slater Designs |
| 7'6" × 20 5/8" × 3 1/8" | 51.1 | £915 | Down the Line Surf |
| 7'6" × 20 5/8" × 3 1/8" | 51.1 | £940 sold out | Down the Line Surf |
| 7'6" × 20 5/8" × 3 1/8" | 51.1 | £880 sold out | Down the Line Surf |
| 7'6" × 20 5/8" White / I-Bolic 2.0 Core with Fiberglass Lamination / L x 3 | 51.1 | $1,125 sold out | Firewire / Slater Designs |
Open Firewire Boss Up in the finder →
One row per size and store. Liters marked ≈ are SurfCalc estimates (from the same model at other sizes, or from the dimensions). Prices are in the store's currency. Not sure which size? The calculator turns your weight, skill and waves into a liter range. More Firewire boards · Midlengths and funboards. Updated 2026-10-21.