I am usually a size L in sweaters, and the M fit me comfortably. I would've enjoyed the size L too for a more oversized style.

Moraga Abstract Sweater

Joie

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Size Worn: M

Usual Size: 10

Height: 5' 7"

Bust: 38B

This worked well as a casual jacket for me but was nothing special. I am 5'7" and am usually a size L in sweaters and the L fit me well. It was just a tiny bit scratchy.

Pearl Grey Sweater Coat

KAUFMANFRANCO

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Size Worn: L

Usual Size: 10

Height: 5' 7"

Bust: 38B

I am consistently a size 10, and have worn a size 10 skirt from this brand that fit me great. I am not sure whether size L was recommended to me or whether I accidentally selected size L, but they were so large that I couldn't wear them. This photo shows me holding the elastic without even stretching it. The material is very flowy and soft though.

Striped Pull On Shorts

Tibi

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Size Worn: L

Usual Size: 10

Height: 5' 7"

Bust: 38B

I'm pretty consistently a size 10, and I'm 5'7" tall with a 36B cup. I thought the size L fit me very well, and that the sheath cut and cotton material were comfortable and easy to wear, even on a hot and humid summer day. I loved the cutout detail. I didn't iron/steam this before I wore it but the wrinkles didn't bother me because I wore this to my backyard BBQ - style wedding shower.

White Cut Out Sheath

Love, Whit by Whitney Port

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Size Worn: L

Usual Size: 10

Height: 5' 7"

Bust: 38B