Yes — the zip-up jacket and the joggers come together as one two-piece set.
It ends at the waist, so a sliver of midriff can show; most wear a simple tank underneath, as in the photos, for full coverage.
Yes — two slanted side pockets edged in the same white piping.
Based on the product photos, the fit is relaxed but shaped: the high elastic waist and cinched ankle hems give the silhouette clear definition.
Machine wash cold with like colors and hang to dry; the knit relaxes back into shape without ironing.