Materials:

- Suede overlays
- Water-repellent nylon
- Reflective details
- Synchron lacing system
- Double density midsole
- Air Cushion
- Special edition “Polar Night” Pack footbed 
- Special edition “Polar Night” Pack shoebox

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The Synchron made its first appearance in 1980, introducing a unique lacing system in the toebox that set this shoe apart from other footwear. The innovative design aimed to provide a better fitting upper for added comfort and durability. The Synchron Classic  90s edition features an air cushion unit and a stable heel cap to ensure a supportive and comfortable experience with every step.

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The Synchron made its first appearance in 1980, introducing a unique lacing system in the toebox that set this shoe apart from other footwear. 
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