Here's a old vintage ad for the Adidas SL72 and SL76 engineered with 'traction dynamics’…
Ad info is below:
SL 72 &76 reborn for the ultimate in cushioned traction
More propulsion. Extended sole area gradually stores up touch-down energy. At lift-off, this energy is released producing 20% more propulsion per step.
Thicker. softer-grooved wedge for substantially increased overall cushioning
More stability & cushioning Wider, flared heel for greater stability.
More Traction. Special profile ejects grit and mud. Profile layout allow, more flexing and therefore better traction. New heel profile for more cushioned heel strike
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Trust adidas to take these great (often imitated) training shoes, build in revolutionary cushioning and traction features, and end up with a saving in weight too. It's all part of a breakthrough in Traction Dynamics at adidas— real pioneer work that has created new standards in performance and comfort.
SL 72 & 76 are creations of Adi Dassler, the man behind the adidas name.
adidas
The all-sports people