Getting much more popular in the last couple of years are short and fat powder boards. In general, classic powder boards were pretty long in length, and had a big wide nose to keep you afloat in deep snow.
Although that style of board definitely hasn’t gone away, there are a lot of brands that have shorter length boards with a really wide width.
The basic idea of most of these boards is that the shorter length, combined with the wide width still gives you the same surface area as a long powder board, so you still get good float.
They have a few advantages, but the biggest is the short length. Short boards are very easy and quick to turn, which is especially good if you are riding in deep snow through tight trees.
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Nitro Quiver Pow
Lib Tech Woodsmith Coho
Lib Tech Short Fat TT