Newton 5th lug

: Now your 5 metatarsals do not have to fight over Newton's lugs. Its new shoes provide a lug for every toe. But this is not the only difference between its 4- and 5-lug versions.

Newton AW

: If you're a Newton fan, but, feel more like an ice skater than a runner when you contact wet or icy surfaces, there's good news for you: The Newton Running All Weather shoe.

Newton: a second look

: Our tech running editor revises and extends his remarks on Newton shoes. There's speed to be had, if you run with proper form.