Plum SOK 26/27

Who is this splitboard binding for?

Plum SOK is intended for riders looking for hardboot downhill binding for precise control in steep terrain and firm snow. Plum SOK belongs in a complete hardboot system. Tech toes handle the climb while the downhill binding connects the stiff boot directly to the board. This provides precise edge pressure on firm traverses, but sole length, canting and every interface component must be planned together.

How does the system work?

Plum SOK uses PLUM ride-mode interface for hardboots. PLUM continues to use its own interface to pull the board halves together when locked. The 2018/19 lesson still applies: lateral highback support helps on firm traverses, while system stiffness creates a direct ride.

What is included and what else do you need?

Manufacturer package for Plum SOK: the binding or touring component named above; check the product page because a complete hardboot system may require several separate parts
Plan separately: Compatible hardboots and every missing ride-mode or touring component must be planned as one system. Add suitable crampons for firm traverses.

The exact package matters with this model because missing interface parts are system-specific rather than universal accessories.

What changed from the previous season?

Plum SOK appears in the 26/27 range in this configuration. With no reliable change list for a direct predecessor, we assess its system, fit and package without claiming an undocumented redesign.

Which size should you choose?

Available Plum SOK sizes: 259–330 mm BSL. Use the boot’s real outer length: heel and toe should remain centred, straps should operate in their intended range and the boot must not move laterally in the chassis. For hardboots, sole length in millimetres matters more than the labelled size; bails must hold the shell securely without preloading it. Our boot and binding compatibility guide explains how boot flex, highback and board stiffness interact.

Have we tested this binding?

We are preparing a new 26/27 review of the Plum SOK. Until it is published, this page provides technical guidance without presenting a test verdict in advance.

Source and data date

Plum SOK – manufacturer page. Data and regular list price checked 21 October 2026.