APL Athletic Propulsion Labs designs with performance in mind. - These best-selling 'Phantom' sneakers are made from four-way stretch TechLoom that's lightweight and breathable - Neoprene tongues and collars ensure a comfortable, supportive fit - Bouncy Propelium® midsoles provide cushioning and energy return - 8mm heel-to-toe drop encourages a natural stride - Grooved soles supply flexible traction
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