I took a page out of Kevin of DK's book (thanks Kevin) ... The clothes I wear on a multi day ride are all made with fabrics that dry quickly and are wrinkle resistant. I carry baby shampoo to clean the CPAP mask, so when needed, I wash out a set of clothes using baby shampoo (rinses easily), hang them in the shower ... hour later they are ready to repack. I can go for weeks and never wear dirty clothShirts - Under Armor - 3 eaPants - Cabela's Convertible (can unzip the legs to make them shorts) - 3 eaUnderwear - Under Armor - 4 eaSock - Bering Mens Performance - 4 eaJeans - 1 pair, not quick drying but jeans can go several wearings before washingAll on that and my toothbrush, etc., fits neatly in a dry sack, that can easily go in a saddlebag or on the rear seat, if need be.Might be more info than ya need, but, this stuff all can be washed, rinses and dried in very little time, and for sure if will dry overnight, even in the very humid climates. Improvise, Adapt, Overcome ...
For foul weather, I carry:-Heated Gloves-Harley Davidson FXRG 3 way Jacket w/vip in Heated Jacket Liner (remove the liner and panels, becomes a perforated mesh Jacket-Colorado Chaps-Heated Socks-Goodyear Boots-Skechers Slipon Shoes, for comfort I stay very warm even in the twenties ..