The holidays can be fun—or stressful—if you're trying to pick out the perfect gift for a loved one. To make your job a little easier, we at Urban Hiker SF have compiled a list of gifts for your favorite urban explorers. These are my own personal recommendations and are not sponsored by these companies. I've organized this list into a few categories: fitness trackers, hiking gear, clothing, books, and misc. in case you want to scroll down to the category that's most relevant for what you're looking for. FITNESS TRACKERS Fitbit: I wear a Fitbit every day and love how it tracks my sleep, measures my heart rate, reminds me to move, and lets me use the Fitbit app to enter friendly competitions with friends (or solo). Though it's one of the more expensive models, I wear and recommend the Alta HR because I love seeing how my resting heart rate goes down after a few days of activity or how the amount of sleep I get affects my mood for the rest of the day. Amazfi...