By Paolo Sandoval There are some certainties in this life: death, in-law fatigue, taxes, good-looking basics from Abercrombie. From sweater polos to ’90s-inspired jeans, the retailer has stepped up their essential offerings in recent years — in both style and quality. So we’re extremely excited by the Abercrombie & Fitch Sitewide Sale. Right now, you can save 25% on everything A&F has to offer, no code necessary. Below, shop our top picks, or browse the entirety of the sale for yourself at Abercrombie. Abercrombie & Fitch Button-Up Sweater PoloThe sweater polo is the unequivocal champion of sp…