420 PH 20/21

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420 PH 20/21

Size: 154

SKU: Y.21.SNM.42P.XX.154.1

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420 PH 20/21 tech

Directional Weird

Flex rating: 7/10

Riding Type


Radial Tapered + 3d Powder Hull

A slight taper (12mm) helps keep the nose up without loosing the tail’s ability to hold in hard-pack. Stance is only slightly set back from center of effective edge because the difference in nose and tail shovel keeps you from going over the nose.

The 3D Powder Hull starts with a base profile that combines 2 distinct rocker lines that, when blended together, create a pronounced base concave in the nose and tail. The centerline is fully rockered starting from the insert packs, all the way to the tips of the bluntly shaped nose and tail. Out at the contact edges is a more conventional base profile that we use on many of our other boards. The resultant concave across the nose and tail acts differently at the leading end of the board than it does at the trailing end when riding in deep snow. At the leading end (nose), the concave draws air under the board – just as a concave spoon-nose does on longboards in the surf – causing lift and floatation. As the snow moves across the base it releases off the tail and the exaggerated rocker line along the center, causes the tail to drop downward.



Designed specifically for the 420 and 20/20.

The weightless core strikes a critical balance between lightweight and strength. Using a lower density species of Poplar in areas that are not as structural and Paulownia in the areas that are, we’re able to shave precious weight off our beloved 420 and now the 20/20. This helps a board not only float, but “feel” floaty.

Base Profile

Powderhull + Camber

Base Materials

PH Sintered True

Pellets or course powder is pressed until it forms a solid. True Sintered is harder and more expensive than extruded and it can be faster for those that ride aggressively fast. But to do that, it needs to be waxed and prepared for local conditions. Our “Sintered PH Spec” material is specifically chosen for unique flex qualities necessary for the PowderHull’s complex 3D surfacing.

Know your Specs


420 PH 20/21 specs

Board Length (cm) 154
Surface Area (dm2) 43.4
Tip Length (cm) 30
Tail Length (cm) 30
Effective Edge Length (cm) 113.5
Contact Length (cm) 96
Waist Width (cm) 26.4
Front Foot Width (cm) 31.7
Rear Foot Width (cm) 31.7
Tip Width (cm) C4
Tail Width (cm) 6.5
Taper (cm) 58.4
Rocker / Camber (mm) 23
Sidecut (m) 15
Ref. Point (cm) 54.4
Ref. Point (in) 21.4
Ref. Stance Setback (mm) 62.4
Min Ref. Stance Width (cm) 24.6
Min Ref. Stance Width (in) 170-200
Max Ref. Stance Width (cm) 68-90