Sweater [size down, wearing in XS]: BP. Cozy V-Neck Sweater
Built In Fleece Jeggings [size down if in between]: Mid-Rise Built-In Warm Rockstar Super Skinny Step-Hem Jeans
Waterproof Boots [true to size]: Sorel PDX Wedge
For sizing reference, I am 5’4, 125 lbs on a good day, typically a 2 in tops/dresses and 26 in jeans/pants with a preferred inseam of 26-28 inches. Bra size is 30DDD [I get it from my momma]. Hopefully, this helps when determining what size you’d need!