San Francisco-based Kenzen, which is developing a peel-and-stick wearable for athletes that measures, among other things, electrolytes in sweat, has raised $5 million from a stable of mostly strategic investors. Backers include Digitalis Ventures, Flex (formerly Flextronics), the San Francisco 49ers football team, Hickory Ventures, and the Women’s Capital Connection.
“Kenzen brings connected,...