What Green Tech Gadgets Could Upgrade Men’s Health Routines?

Lately, I’ve been curious about how green tech could fit into daily health and fitness routines especially for guys looking to stay on top of their game. Solar-powered wearables, for example, seem like a no-brainer, but are there any lesser-known gadgets out there that actually make a difference? Something like a water-saving smart shower that tracks usage while optimizing recovery temps, or maybe eco-friendly fitness gear with real benefits. Anyone stumbled across something innovative that’s both sustainable and effective? Would love to hear your finds or even your wishlist for this space.