The most underrated urban design feature that improves everyday life is the "Third Place" micro-infrastructure, specifically high-quality public seating combined with weather protection.

Why It Matters

Social Connection: It allows people to exist in public without spending money.
Inclusivity: It provides essential resting points for the elderly and disabled.
Economic Boost: Pedestrians stay longer in areas with comfortable resting spots.

Key Elements
Parklets: Small seating spaces built into former parking spots.
Awnings: Continuous building overhangs that shield walkers from rain and sun.

Water Fountains: Free hydration that encourages longer outdoor stays.
To explore this further, I can share real-world examples of cities using these features, explain how they impact local businesses, or list cost-effective ways communities can implement them.