The sign of Sagittarius rules the area around the hips and thighs. Because you're outdoorsy, and probably pretty fitness minded, you may have developed muscles in this area.
No matter what your build, your sign should look to find ways to highlight this area many people fear
Dark wash jeans or black pants can elongate the leg line, especially if worn with a wedge heel or cute flats (you need some support).
Or try a splashy scarf worn low on the hips as a belt, perhaps over a tunic. Whatever your style choices, make them your own with accent pieces that flatter your unique shape.