Flannel is a fabric, while plaid refers to a pattern (like houndstooth or paisley)
For adventurous outdoor activities like hiking, I always wear a pair of leggings (these Lululemon legging dupes are my absolute favorite), a sports bra, a baseball hat, sunglasses, and a pair of sneakers or hiking boots (depending on the terrain)
Yellow Long Sleeves Luxury Appliques A-line Side-slit Organza Long Prom Dress, PD3496
Another gem from the Sherman estate
[1] This method will not work with spandex, which can be damaged by hot water
Strapless bras work well for fuller busts needing structured support, while adhesive solutions suit smaller cup sizes and lightweight fabrics perfectly for all-day comfort