A reader recently emailed me to ask for a column on split shifts. He wrote: “There is a formula, but it can be confusing and when it is applicable and when it is not.” The regulation governing split ...

The lululemon Split Shift fills that gap in the brand’s line of shoes, offering a lightweight everyday trainer for speedier efforts. The brand’s six-day ultramarathon event, Further, was used as a ...

Forbes contributors publish independent expert analyses and insights. Tim Newcomb covers tennis gear/business, stadiums and shoe tech. Lululemon’s footwear category has a new silhouette. That ...