 "Nike Free 5.0 Flash Men's Training Shoe - Silver/Gray/Jade"@en "Running and Training"@en
"Nike Free 5.0 Flash Running Shoe is designed with the bare foot technology for a comfortable range of motion while providing a secure cushioning for runners. Reflective material and a DWR (durable water repellent) offer great visibility and protection against the outdoor elements.

Bare foot technology - allows the natural range of motion
DWR – Durable water repellent to help protect against the elements
Reflective material – helps to be seen while running"@en 
 "Nike Free 5.0 Men's Training Shoes - Black/Dark Gray/Cool Gray"@en "Running and Training"@en
"Nike Free 5.0 Men's Running Shoe combines the principles of natural motion with cushioning that accommodates every running style. This updated version gets down to basics with less layers on the upper, creating a lightweight fit for an amazingly flexible ride.

Hexagonal flex grooves let your foot move naturally
Low-profile cushioning, rounded heel encourage natural footstrike
Engineered upper supports you as it moves with you
Polyester Text Synthetic Plastic"@en 