I’m a former competitive runner who has burned through countless sneakers, and I was blown away when I tried my first pair of On Cloud shoes ... take in nature. Roger Federer's collab line ...

Among the many shoemakers crafting great walking shoes for men is On, a Roger Federer-backed Swiss-based ... or prefer the treadmill, the On Cloud lineup likely has a great pair for you.

Tennis legend Roger ... after Federer's deal with Nike expired in March. The tennis star donned the Japanese brand at his Wimbledon match on Monday, but for now has kept his Nike shoes.