Rating:
93 % of 100

Boreal Synergy

As low as £137.94 Regular Price £160.00
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How I choose the correct size?
All climbing shoe models fit differently. We put together our 'shoeculator' to help you find the right size in a new model, compared to your old climbing shoes or street shoes.
Choose from the options below to find your size in the Boreal Synergy
Climbing Shoe
OR
Street Shoe
This sizing advice is based on two pairs of brand new shoes. Leather shoes tend to stretch more than synthetic shoes. When switching from synthetic to leather you may want to select a smaller size.

Boreal Synergy climbing shoe leads Boreal’s performance line as their softest and most flexible model, crafted for high-end bouldering and competitions. Retaining its zero-midsole design, it delivers unmatched sensitivity and control on volumes and steep angles. The new low-volume heel offers a more secure fit without changing the original last. Ideal for gym climbers tackling modern comp-style problems.

Features:

- Designed for advanced climbers and competitive bouldering
- Soft build enhances feel for smearing and hooking
- Uniform Zenith Ultra 2.0 rubber on heel and toe for balanced feedback
- Performs best on steep walls, volumes, and dynamic moves
- Not suitable for edging or precise vertical footwork

Tech Specs:

- Outsole Rubber: Zenith Ultra 2.0 (ultra-soft compound)
- Midsole: None – maximum sensitivity and movement freedom
- Upper: Fully integrated toe rubber in Zenith Ultra 2.0
- Heel: Zenith Ultra 2.0 for grip and consistency
- Last: Original Synergy last retained
- Fit: Updated low-volume heel fit

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