Packing for fall trips has never been so simple.Credit: Travel + LeisureBest Matching Sets for FallClassic prep trend: Glamaker Matching Polo Set, $40Gives “Gucci vibes”: Etcyy Oversized Cardigan Set, $47Compared to a $112 version: Prettygarden Slouchy Short-sleeved Set, $25 (originally $39) 24 color options: Viottiset V-neck Sweater Lounge Set, $40 (originally $54)Fall and cozy loungewear go together like apple cider and a good spiced rum. Whet…