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Pick the wrong snowboard size and every turn feels harder than it should. A board that is too short feels nervous and sinks in powder. One that is too long is slow to turn and tiring to ride. The good news: finding your size takes five minutes and three numbers. This guide explains how to choose your snowboard size by weight, height, boot size and riding style, with real examples from our own size charts.
Start with your weight, not your height
Most riders are told to hold a board up against their chin or nose. That old trick is a rough guide at best. Weight is the main factor, because it decides how much the board flexes under you and how well it holds an edge. A board that is too soft for your weight washes out in a carve; one that is too stiff will never come alive.
Every Borealis board lists a weight range, a height range and a boot size range for each size on its product page. Here are a few examples taken straight from our size charts:
| Board and size | Weight range | Height range | Boot size (EU) |
|---|---|---|---|
| Women's Reactor 146 | 50–70 kg | 150–175 cm | 36–40 |
| Women's Reactor 150 | 50–80 kg | 155–180 cm | 37–42 |
| Reactor 154 | 55–80 kg | 155–175 cm | 39.5–43.5 |
| Reactor 158MW | 65–90 kg | 165–185 cm | 41–45.5 |
| Reactor 162MW | 70–100+ kg | 170–195 cm | 42–46 |
Notice that the ranges overlap. If your weight falls in two sizes, the next step decides.
Adjust for your riding style
When two sizes fit your weight, let your terrain choose:
- Go shorter if you ride park, side hits, tight trees or you like quick, playful turns. A shorter board is lighter, easier to spin and easier to flick around.
- Go longer if you ride fast, ride powder or big mountain terrain. More length means more float and more stability at speed.
The Pilot Fish is a good example. Its 155 is listed for 45–80 kg and its 160 for 55–100 kg. A 70 kg rider fits both: the 155 for tight, playful tree runs, the 160 for more float and speed. Our Pilot Fish is a surfy directional board, so shape matters as much as length here.
Check your boot size and the board width
If your boots hang far over the edge of the board, your toes and heels will drag in the snow when you carve. Board width at the waist is what prevents that. As a rule of thumb, riders with larger boots (roughly EU 45 and up) should check the waist width and look at wider boards.
On the Reactor, the waist measures 25.1 cm on the 154, 26.3 cm on the 158MW and 26.7 cm on the 162MW, which is why the larger sizes are listed for larger boots. The Marauder goes further: its short, wide shape has a 27.07 cm waist on the 156, listed for 65 to 100+ kg and boots from EU 40 to 46.5. Browse our wide boards if your feet are big.
Think about your level
Beginners and riders still building confidence usually prefer the shorter end of their range: the board is more forgiving and easier to control at low speed. Advanced riders who charge hard tend to move toward the longer end for stability. None of this is a hard rule; it is a way to break a tie.
Our women's boards come with their own size charts. The Women's Reactor, for example, starts at a 146 with a 24.9 cm waist, so check the chart for the model you like rather than assuming a size from another range.
What if you are between two sizes?
It happens to almost everyone. Use your weight first, then ask yourself where you spend most of your days. If you ride mostly groomers and park laps, take the shorter board. If you chase powder days or ride steep, open terrain, take the longer one. Also remember that the weight on the scale is your weight without a loaded backpack: if you carry a lot of gear, you may sit at the upper end of the range.
A heavier rider on a short board will overpower it, and a lighter rider on a long board will struggle to bend it. In both cases the board stops doing the job it was designed for, which is why we publish a range for every single size.
Three common mistakes
- Choosing by height only. Two riders of 175 cm can weigh 60 kg or 90 kg and need different boards.
- Ignoring the shape. A directional powder board and a true twin of the same length do not ride alike. Compare the effective edge and the waist width, not just the number on the base.
- Sizing up "just in case". A board that is too long is the most common reason riders struggle to initiate turns.
A quick checklist
- Find the weight range that includes you, not just your height.
- If two sizes fit, go shorter for playful, park and tree riding; go longer for speed, powder and big mountain.
- Check that the waist width suits your boot size.
- Read the size chart of the exact board, not a generic chart.
Still not sure?
Use our Board Finder: tell us where you ride, your level and your boot size, and it recommends a board and a size. You can browse the whole range in all snowboards, or ask Ben, the founder, directly. If you are choosing a splitboard, the same logic applies; our splitboarding guide covers the specifics.
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