Floral jumpsuit: Urban Outfitters. Similar by One Novella. Vest: H&M. Bag: Balenciaga. Shades: Ray Ban. Croc shoes: Kurt Geiger (on sale)
These are light, there's side pockets and I don't care much that they touch the ground either. Plus it's so wide you can't tell what's going on underneath meaning zero cling factor read: ventilation.
A pair of these Asos wide legs plus an oversized Free People patterned shirt does the same 'one piece' job.