Apple Watch SE (From £219)
If he hasn't already got an Apple watch then now is the time to get one. It will help to track his fitness goals and offer daily reminders of where he's at and what he needs to be doing to achieve his target. It's waterproof and has sleep sensors, too. An investment buy that any tech-lover needs.
Image Sources: Rapha / Fragrance Shop / Ted Baker and Photo Illustration: Ava Cruz