Newton Running Launches Sir Isaac and Lady Isaac Guidance Trainers

July 1, 2009 -- Newton Running Launches Sir Isaac and Lady Isaac Guidance Trainers Newton Running, the revolutionary Boulder, Colorado running shoe company, announces the launch of two new shoe models for this fall. The Sir Isaac and Lady Isaac guidance trainers are designed for runners who want to transition their running form to a more efficient midfoot/forefoot style, but still require a supportive heel and mid-section.

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