Size by weight · Firewire

What size Firewire Sweet Potato should I ride if I weigh this much?

At 170 lb, everyday surfers start near 35.5L — closest stock size 5'6" at 37.8L. Other weights are in the table. This is a starting size, not the only size that works.

By the Quivr team · Published

Firewire Sweet Potato

The catalog range runs knee-high to chest-high, with a soft power midpoint, and a intermediate to advanced skill window.

If you weigh this much

Everyday means an intermediate surfer. Newer to hardboards gets more liters. Advanced gets fewer. A cell names a stock size only when that size is close to the starting volume. Otherwise it names the liters and stops.

Closest Firewire Sweet Potato stock size for each weight. A cell that only names liters means no row on this chart is close enough.
If you weighNewer to hardboardsEverydayAdvanced
120 lb5'2" · 31Lchart starts at 31L — more foam than 25Lchart starts at 31L — more foam than 21.8L
130 lb5'6" · 37.8Lchart starts at 31L — more foam than 27.1Lchart starts at 31L — more foam than 23.6L
140 lb5'6" · 37.8L5'2" · 31Lchart starts at 31L — more foam than 25.4L
150 lb5'6" · 37.8L5'2" · 31Lchart starts at 31L — more foam than 27.2L
160 lbaround 43.5L — no stock size that close5'2" · 31L5'2" · 31L
170 lb6'0" · 49L5'6" · 37.8L5'2" · 31L
180 lb6'0" · 49L5'6" · 37.8L5'2" · 31L
190 lb6'2" · 52.2L5'6" · 37.8L5'6" · 37.8L
200 lb6'2" · 52.2L5'6" · 37.8L5'6" · 37.8L
210 lb6'4" · 57.1Laround 43.8L — no stock size that close5'6" · 37.8L
220 lb6'4" · 57.1L6'0" · 49L5'6" · 37.8L

Common questions

What size Firewire Sweet Potato should I ride if I weigh 140 pounds?

If you weigh 140 lb and surf at an everyday intermediate level, start near 29.2 liters. The closest Firewire Sweet Potato stock size is 5'2" at 31 liters.

What size Firewire Sweet Potato should I ride if I weigh 150 pounds?

If you weigh 150 lb and surf at an everyday intermediate level, start near 31.3 liters. The closest Firewire Sweet Potato stock size is 5'2" at 31 liters.

What size Firewire Sweet Potato should I ride if I weigh 160 pounds?

If you weigh 160 lb and surf at an everyday intermediate level, start near 33.4 liters. The closest Firewire Sweet Potato stock size is 5'2" at 31 liters.

What size Firewire Sweet Potato should I ride if I weigh 170 pounds?

If you weigh 170 lb and surf at an everyday intermediate level, start near 35.5 liters. The closest Firewire Sweet Potato stock size is 5'6" at 37.8 liters.

What size Firewire Sweet Potato should I ride if I weigh 180 pounds?

If you weigh 180 lb and surf at an everyday intermediate level, start near 37.6 liters. The closest Firewire Sweet Potato stock size is 5'6" at 37.8 liters.

What size Firewire Sweet Potato should I ride if I weigh 190 pounds?

If you weigh 190 lb and surf at an everyday intermediate level, start near 39.6 liters. The closest Firewire Sweet Potato stock size is 5'6" at 37.8 liters.

What size Firewire Sweet Potato should I ride if I weigh 200 pounds?

If you weigh 200 lb and surf at an everyday intermediate level, start near 41.7 liters. The closest Firewire Sweet Potato stock size is 5'6" at 37.8 liters.

Stock chart

Length, width, thickness, and volume as published for Firewire Sweet Potato in the Quivr catalog. Nothing here is estimated.

LengthWidthThicknessVolume
5'2"21.44"2.31"31L
5'6"22"2.56"37.8L
6'0"22.75"3"49L
6'2"23"3.06"52.2L
6'4"23.13"3.25"57.1L

A shop chart that says “up to this weight” can point at a smaller size than the closest liter match. Their band is wide. This page picks the row nearest the starting volume. Fitness, and whether the waves are soft or punchy, still move it a size.

More on the number itself: what surfboard volume means. All weights: what size to ride for your weight.

Other Firewire boards

Check it on the board

Open the same board in Quivr. The size pick uses this chart and your weight. The wave range on the card still has to fit the days you actually surf.