Cosima Nap Dress

Hill House Home

4.5
(89 Reviews)

Product Details

The Hill House Home Cosima Nap Dress blends romance and ease with its flowy silhouette and delicate details. Pair it with sandals for a relaxed feel or dress it up with heels and statement earrings.

Materials and Measurements

Green (Shell: 64% Rayon, 23% Lyocell, 13% Nylon; Lining: 100% Cotton). Casual Dress. Boat Neck. Sleeveless. Pull on. Shoulder to Hemline Length: 52". Imported.

Size and Fit

Sized: XXS-XXL

The model is wearing a size small.

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Ratings &
Reviews

  (89)  

Includes written reviews and customer fit feedback.

Fit
Runs Small
True to Size
Runs Large

All Photos

Top Contributor
Size worn:
S
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 4
Height: 5' 9"
Bust size: 34B
Body type: Hourglass
Weight: 135lbs
Browse Sara kathryn's reviews
August 20th, 2025
Hill House Home Run

As always, hill house nails the fit. Super comfortable & has pockets!

Top Contributor
Size worn:
L
Overall fit:
Large
Usually wears: 12
Height: 5' 2"
Body type: Hourglass
Weight: 183lbs
Browse Nicole's reviews
June 2nd, 2025
Gorgeous and comfy

Wore this while pregnant on a trip to Florida and it was fabulous. Returning to get a Medium because it is a bit big around the arms. Considering buying it!

Overall Fit

Runs big

Chest

Runs big

Arms & Shoulders

Runs big

Waist

Runs big

Hips

Runs big

Length

Just right

Top Contributor
Size worn:
S
Overall fit:
True to Size
Usually wears: 4
Height: 5' 4"
Body type: Pear
Browse Kristen's reviews
May 3rd, 2025
Should have bought

Overall Fit

Just right

Top Contributor
Size worn:
M
Overall fit:
True to Size
Rented for:
Vacation
Usually wears: 8
Height: 5' 5"
Bust size: 36B
Body type: Pear
Weight: 155lbs
Browse Riley's reviews
October 21st, 2025
Super comfy cute dress

Love this dress bc it was cute & comfy - we changed in the airport before going straight from the plane to sightseeing, & this dress was perfect bc it didn’t wrinkle terribly & was easy to throw on & go

Top Contributor
Size worn:
XS
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 2
Height: 5' 2"
Bust size: 32D
Body type: Petite
Weight: 125lbs
Browse Taylor's reviews
October 20th, 2025
Comfy!

Super comfortable and cute! Double lined and kept me cozy in fall.

Top Contributor
Size worn:
L
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 12
Height: 5' 6"
Bust size: 38DD
Body type: Apple
Weight: 180lbs
Browse Meredith's reviews
September 1st, 2025
Wore this so many times!

The fabric was so lovely and has a subtle stripe. The fit was comfortable & flattering. Definitely the most worn dress in this shipment and would rent again in a heartbeat

Top Contributor
Size worn:
L
Overall fit:
True to Size
Rented for:
Date
Usually wears: 8
Height: 5' 7"
Body type: Athletic
Weight: 141lbs
Browse Catherine's reviews
September 1st, 2025
Pretty dress

Wore it during third trimester and fit well, a little bit loose on the arms but it was comfortable

Top Contributor
Size worn:
L
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 10
Height: 5' 4"
Bust size: 32DDD/E
Body type: Apple
Weight: 150lbs
Browse Kaitlin's reviews
August 27th, 2025
Would rent again

Comfortable, flattering for postpartum, gorgeous color. Will definitely rent again!

Top Contributor
Size worn:
M
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 6
Height: 5' 7"
Bust size: 34C
Body type: Athletic
Weight: 145lbs
Browse Courtney 's reviews
August 20th, 2025
Casual everyday

Fit great very comfortable

Top Contributor
Size worn:
S
Overall fit:
True to Size
Rented for:
Vacation
Usually wears: 2
Height: 5' 10"
Bust size: 32DDD/E
Body type: Hourglass
Weight: 125lbs
Browse Kelly's reviews
July 8th, 2025
Perfect second trimester dress

Normally, I order XS in Hill House dresses, but sized up to small since I’m 5 months pregnant. The dress was so comfortable and breathable.

Top Contributor
Size worn:
XS
Overall fit:
True to Size
Usually wears: 2
Height: 5' 2"
Bust size: 34C
Body type: Petite
Weight: 135lbs
Browse Michelle's reviews
May 13th, 2025
Love the color

The dress was too long for me but still wore it to a couple of events. I liked being able to try this brand though. Just not for petite gals!

Overall Fit

Just right

Chest

Runs small

Arms & Shoulders

Just right

Waist

Just right

Length

Too Long

Top Contributor
Size worn:
L
Overall fit:
True to Size
Rented for:
Vacation
Usually wears: 10
Height: 5' 6"
Body type: Pear
Weight: 155lbs
Browse Kathleen 's reviews
October 22nd, 2025
I liked it

Top Contributor
Size worn:
XS
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 4
Height: 5' 2"
Body type: Petite
Weight: 120lbs
Browse Alese's reviews
September 15th, 2025
Elevated everyday look

Wore to work, threw an oversized chambray on to cover the shoulders for the office. I’m short and it went right to my ankles. High neckline and gaped a little when sitting. Cute overall!

Top Contributor
Size worn:
M
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 4
Height: 5' 4"
Bust size: 28H
Body type: Hourglass
Weight: 135lbs
Browse Gera's reviews
September 14th, 2025
Casual and easy

I really loved wearing this dress. Looking back at the photos, I’m not sure it was actually that flattering, but it felt great. I was about 28 weeks pregnant in these, so an awkward size. I did wear a bra, but the smock chest did not flatter my bust. I still think it’s great for throwing in and taking traveling.

Top Contributor
Size worn:
XS
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 2
Height: 5' 6"
Body type: Athletic
Weight: 135lbs
Browse Isabelle's reviews
September 4th, 2025
Easy day dress

Easy dress, nothing too special. This has a liner, which I didn’t love aesthetically, but make for a slightly warmer dress

Top Contributor
Size worn:
XS
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 2
Height: 5' 2"
Bust size: 34C
Body type: Petite
Weight: 115lbs
Browse Emily's reviews
August 22nd, 2025
Like. Not love

Fits well, nicely made. Just not WOW. Great for work piece, weekend daytime.

Top Contributor
Size worn:
L
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 8
Height: 5' 7"
Bust size: 34DD
Body type: Hourglass
Weight: 175lbs
Browse Kate's reviews
August 20th, 2025
Comfy, casual summer dress

I recently wore this on a trip to Europe. It was cool and looked out together. I wore it with birks and also with nicer heels to dress it up. Love the color!

Top Contributor
Size worn:
M
Overall fit:
Large
Rented for:
Work
Usually wears: 8
Height: 5' 7"
Bust size: 36D
Body type: Athletic
Weight: 145lbs
Browse Haley's reviews
August 19th, 2025
Weird for

Was excited for this but it looked a bit like a maternity dress on me and made me look like a bubble.

Top Contributor
Size worn:
XS
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 4
Height: 5' 4"
Bust size: 34C
Body type: Pear
Weight: 127lbs
Browse Alexis's reviews
April 19th, 2025
Not What I Hoped

I had stalked the Cosima dress style on Hill House Home’s website for a bit, so I was glad when it became available to rent on RTR. I am typically a XS in HHH dresses, which is what I rented. It fit fine, but it wasn’t my favorite cut. It flares out at the hip area and, for me, accentuated my hips in an unflattering way. My husband called it “Little House on the Prairie chic,” which is kind of my aesthetic, but it just didn’t work here. And tbh, it was overall just a bit boring. Glad I rented it, but I won’t be revisiting this HHH style.

Top Contributor
Size worn:
L
Overall fit:
True to Size
Usually wears: 10
Height: 5' 7"
Body type: Pear
Browse Andrea's reviews
July 9th, 2025
Great maternity option

I love this dress so much. It's simple but I can see why everyone loves this brand. Sized up one size for a maternity option. Easily can be dressed down or up. It's so comfortable. I'll be renting the other styles and colors often for my last two months of pregnancy.

Overall Fit

Just right

Top Contributor
Size worn:
XS
Overall fit:
True to Size
Usually wears: 2
Height: 5' 9"
Bust size: 34A
Body type: Straight & narrow
Weight: 135lbs
Browse Caroline's reviews
June 16th, 2025
Cute and comfy

I rented this to take on vacation and it's the perfect grab and go dress, it feels comfy and can make you look put together with minimal effort. Easy to wear with or without a bra. Almost wanted to buy it because I was wearing it so often! I'm typically a S for hill house and went for an XS since it was available. The arm holes were a little small but otherwise all good since the top is stretchy.

Overall Fit

Just right

Chest

Just right

Arms & Shoulders

Just right

Waist

Just right

Hips

Just right

Length

Just right

Top Contributor
Size worn:
L
Overall fit:
True to Size
Usually wears: 8
Height: 5' 10"
Bust size: 34A
Weight: 175lbs
Browse Joan's reviews
June 15th, 2025
Cute and comfortable

Wore during pregnancy. Casual and comfortable. Flattering and didn't feel too large wearing it.

Overall Fit

Just right

Top Contributor
Size worn:
L
Overall fit:
True to Size
Usually wears: 14
Height: 5' 11"
Bust size: 36A
Body type: Hourglass
Weight: 200lbs
Browse Emily's reviews
May 20th, 2025
Flattering!

The fabric texture adds the perfect touch the elevate the monochromatic look. The fabric also has a lightweight flow.

Overall Fit

Just right

Chest

Just right

Arms & Shoulders

Just right

Waist

Just right

Hips

Just right

Length

Just right

Top Contributor
Size worn:
XXS
Overall fit:
True to Size
Usually wears: 0
Height: 5' 2"
Bust size: 32A
Body type: Petite
Weight: 116lbs
Browse Joni's reviews
May 10th, 2025
Simple casual dress

I'm in love with Hill House Home nap dresses. I rented the blue one and now this and would wear both again.

Overall Fit

Just right

Chest

Just right

Arms & Shoulders

Just right

Waist

Just right

Hips

Just right

Length

Just right

Top Contributor
Size worn:
M
Overall fit:
True to Size
Usually wears: 6
Height: 5' 4"
Bust size: 36C
Body type: Hourglass
Weight: 165lbs
Browse Sarah's reviews
May 7th, 2025
Perfect prairie dress

Fit TTS and was easy to wear. Comfy!

Overall Fit

Just right

Top Contributor
Size worn:
XXS
Overall fit:
True to Size
Usually wears: 0
Height: 5' 4"
Body type: Athletic
Browse Emily's reviews
April 21st, 2025
Basic dress

Silhouette is very forgiving and comfortable. Brand new -- I cut the tags.

Overall Fit

Just right

Top Contributor
Size worn:
M
Overall fit:
True to Size
Usually wears: 8
Height: 5' 7"
Bust size: 34D
Body type: Hourglass
Weight: 157lbs
Browse Kristin's reviews
April 19th, 2025
So comfy, great color for spring

Loved this easy dress. Had pockets and very comfortable and flattering at the waist.

Overall Fit

Just right

Top Contributor
Size worn:
S
Usually wears: 4
Height: 5' 2"
Weight: 127lbs
Browse Julia's reviews
September 24th, 2025
flattering, comfortable

stretchy bodice works for a comfortable fit including with baby bump, cute with a belt

Size worn:
L
Overall fit:
Large
Rented for:
Party
Usually wears: 8
Height: 5' 4"
Bust size: 36DDD/E
Body type: Full Bust
Weight: 154lbs
Browse RTR Member's reviews
September 19th, 2025
Love this dress

Fit was perfect and I got tons of compliments! I almost bought it!

Top Contributor
Size worn:
XS
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 2
Height: 5' 1"
Bust size: 32B
Body type: Petite
Weight: 120lbs
Browse Hannah's reviews
September 10th, 2025
Fun summer dress

This is an awesome everyday summer dress. Highly recommend!

Top Contributor
Size worn:
M
Overall fit:
True to Size
Rented for:
Work
Usually wears: 6
Height: 5' 6"
Bust size: 34B
Body type: Pear
Weight: 135lbs
Browse Caroline 's reviews
September 3rd, 2025
Great dress

Loved the fit of this dress. Wore to work and got many compliments. Beautiful sage green. Fit well with my pear shape.

Top Contributor
Size worn:
XS
Overall fit:
True to Size
Rented for:
Work
Usually wears: 0
Height: 5' 4"
Bust size: 30B
Body type: Petite
Browse Katherine's reviews
August 24th, 2025
Work and play

Wore several times to work and out and about. Super flattering and TTS

Top Contributor
Size worn:
M
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 6
Height: 5' 4"
Bust size: 36B
Body type: Pear
Weight: 140lbs
Browse Emily's reviews
August 22nd, 2025
One of my favorites

So well made so comfortable

Top Contributor
Size worn:
XXL
Overall fit:
True to Size
Usually wears: 18
Height: 5' 5"
Body type: Apple
Browse Elena's reviews
August 10th, 2025
Cute and comfy

Loved it so much I bought it! Great color and shape

Top Contributor
Size worn:
L
Overall fit:
True to Size
Usually wears: 10
Height: 4' 11"
Body type: Petite
Browse Reni's reviews
August 9th, 2025
Perfect nap dress!

So comfy and so cute. Loved this dress.

Top Contributor
Size worn:
L
Overall fit:
True to Size
Rented for:
Party
Usually wears: 10
Height: 5' 4"
Bust size: 34DDD/E
Body type: Hourglass
Weight: 155lbs
Browse Kathleen's reviews
August 5th, 2025
Comfortable

Comfortable and easy to wear. Great color and fabric.

Top Contributor
Size worn:
L
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 10
Height: 5' 2"
Bust size: 36D
Body type: Full Bust
Weight: 175lbs
Browse Melanie 's reviews
July 12th, 2025
Great Dress & Bump friendly!

This was highly complimented! Such a cute dress and the stretch was so great while 6 months pregnant.

Size worn:
M
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 4
Height: 5' 2"
Body type: Hourglass
Weight: 140lbs
Browse Megan's reviews
July 8th, 2025
great fit

very comfortable and easy flowy summer dress.

Top Contributor
Size worn:
M
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 8
Height: 5' 5"
Body type: Hourglass
Weight: 155lbs
Browse Carly's reviews
July 2nd, 2025
Love love love

So comfy so flattering such a good color

Top Contributor
Size worn:
XL
Overall fit:
True to Size
Rented for:
Everyday
Usually wears: 12
Height: 5' 0"
Bust size: 34DDD/E
Body type: Hourglass
Weight: 160lbs
Browse Catherine's reviews
June 19th, 2025
Lovely color, airy fabric with forgiving fit

The ruching of the chest makes for a very forgiving fit, though the arm holes are maybe a touch too big (had to rearrange so my bra didn’t show). Fabric is lovely and length is perfect even for 5’!

See more reviews:
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