The Penelope Cross-Back Silk Midi Slip

L / Saphire

$128.00 USD

$128.00 USD $320.00 USD

The Penelope Cross-Back Silk Midi Slip

Vesper Sleep Inc

$128.00 USD

$128.00 USD $320.00 USD

Vesper NY — Size Guide

Vesper NY

Size Guide

Full size range, XXS–5XL · US, UK, EU & International

Women's Loungewear & Sleepwear

Robes · Pajamas · Camisole Sets · Slip Nightdress · Tops · Skirts

Size	US	UK	EU	Int'l	Bust	Waist	Hip
XXS	00	2	30–32	XXS	29–30	22–23	32–33
XS	0–2	4–6	32–34	XS	31–32	24–25	34–35
S	4–6	8–10	36–38	S	33–34	26–27	36–37
M	8–10	12–14	40–42	M	35–36	28–29	38–39
L	12–14	16–18	44–46	L	37–39	30–32	40–42
XL	16–18	20–22	48–50	XL	40–42	33–35	43–45
XXL	20–22	24–26	52–54	XXL	43–45	36–38	46–48
3XL	24–26	28–30	56–58	3XL	46–48	39–41	49–51
4XL	28–30	32–34	60–62	4XL	49–51	42–44	52–54
5XL	32–34	36–38	64–66	5XL	52–54	45–47	55–57

Size	US	UK	EU	Int'l	Bust	Waist	Hip
XXS	00	2	30–32	XXS	74–76	56–58	81–84
XS	0–2	4–6	32–34	XS	79–81	61–64	86–89
S	4–6	8–10	36–38	S	84–86	66–69	91–94
M	8–10	12–14	40–42	M	89–91	71–74	97–99
L	12–14	16–18	44–46	L	94–99	76–81	102–107
XL	16–18	20–22	48–50	XL	102–107	84–89	109–114
XXL	20–22	24–26	52–54	XXL	109–114	91–97	117–122
3XL	24–26	28–30	56–58	3XL	117–122	99–104	124–130
4XL	28–30	32–34	60–62	4XL	124–130	107–112	132–137
5XL	32–34	36–38	64–66	5XL	132–137	114–119	140–145

Runs true to size with a relaxed drape. If between sizes, size up. UK/EU/International conversions are approximate industry references — for an exact fit, use our custom-size WhatsApp below.

Women's Silk Dresses

Maxi · Occasion · Evening

Size	US	UK	EU	Int'l	Bust	Waist	Hip	Length
XXS	00	2	30–32	XXS	29–30	22–23	32–33	__
XS	0–2	4–6	32–34	XS	31–32	24–25	34–35	__
S	4–6	8–10	36–38	S	33–34	26–27	36–37	__
M	8–10	12–14	40–42	M	35–36	28–29	38–39	__
L	12–14	16–18	44–46	L	37–39	30–32	40–42	__
XL	16–18	20–22	48–50	XL	40–42	33–35	43–45	__
XXL	20–22	24–26	52–54	XXL	43–45	36–38	46–48	__
3XL	24–26	28–30	56–58	3XL	46–48	39–41	49–51	__
4XL	28–30	32–34	60–62	4XL	49–51	42–44	52–54	__
5XL	32–34	36–38	64–66	5XL	52–54	45–47	55–57	__

Size	US	UK	EU	Int'l	Bust	Waist	Hip	Length
XXS	00	2	30–32	XXS	74–76	56–58	81–84	__
XS	0–2	4–6	32–34	XS	79–81	61–64	86–89	__
S	4–6	8–10	36–38	S	84–86	66–69	91–94	__
M	8–10	12–14	40–42	M	89–91	71–74	97–99	__
L	12–14	16–18	44–46	L	94–99	76–81	102–107	__
XL	16–18	20–22	48–50	XL	102–107	84–89	109–114	__
XXL	20–22	24–26	52–54	XXL	109–114	91–97	117–122	__
3XL	24–26	28–30	56–58	3XL	117–122	99–104	124–130	__
4XL	28–30	32–34	60–62	4XL	124–130	107–112	132–137	__
5XL	32–34	36–38	64–66	5XL	132–137	114–119	140–145	__

Fitted, bias-cut drape. Fill in each dress's measured length. If between sizes, size up.

Men's Loungewear & Sleepwear

Robes · Pajama Sets · Tops

Size	US	UK	EU	Chest	Waist	Neck
XXS	32	32	42	32–34	26–28	13–13.5
XS	34	34	44	34–36	28–30	13.5–14
S	36–38	36–38	46–48	36–38	30–32	14–14.5
M	39–41	39–41	49–51	39–41	33–35	15–15.5
L	42–44	42–44	52–54	42–44	36–38	16–16.5
XL	45–47	45–47	55–57	45–47	39–41	17–17.5
XXL	48–50	48–50	58–60	48–50	42–44	18–18.5
3XL	51–53	51–53	61–63	51–53	45–47	18.5–19
4XL	54–56	54–56	64–66	54–56	48–50	19–19.5
5XL	57–59	57–59	67–69	57–59	51–53	19.5–20

Size	US	UK	EU	Chest	Waist	Neck
XXS	32	32	42	81–86	66–71	33–34
XS	34	34	44	86–91	71–76	34–36
S	36–38	36–38	46–48	91–97	76–81	36–37
M	39–41	39–41	49–51	99–104	84–89	38–39
L	42–44	42–44	52–54	107–112	91–97	41–42
XL	45–47	45–47	55–57	114–119	99–104	43–44
XXL	48–50	48–50	58–60	122–127	107–112	46–47
3XL	51–53	51–53	61–63	130–135	114–119	47–48
4XL	54–56	54–56	64–66	137–142	122–127	48–50
5XL	57–59	57–59	67–69	145–150	130–135	50–51

Relaxed fit. For a closer fit, size down. If between sizes, size up. UK/EU conversions are approximate industry references.

Silk Pillowcases

Size	Dimensions
Standard	20" × 26"
Queen	20" × 30"
King	20" × 36"

Size	Dimensions
Standard	51 × 66 cm
Queen	51 × 76 cm
King	51 × 91 cm

Silk Sheet Sets & Fitted Sheets

Size	Flat Sheet	Fitted Sheet	Pillowcases
Twin	66" × 96"	39" × 75" +15" depth	1 Standard
Full	81" × 96"	54" × 75" +15" depth	2 Standard
Queen	90" × 102"	60" × 80" +15" depth	2 Queen
King	108" × 102"	78" × 80" +15" depth	2 King
California King	108" × 106"	72" × 84" +15" depth	2 King

Size	Flat Sheet	Fitted Sheet	Pillowcases
Twin	168 × 244 cm	99 × 191 cm +38 cm depth	1 Standard
Full	206 × 244 cm	137 × 191 cm +38 cm depth	2 Standard
Queen	229 × 259 cm	152 × 203 cm +38 cm depth	2 Queen
King	274 × 259 cm	198 × 203 cm +38 cm depth	2 King
California King	274 × 269 cm	183 × 213 cm +38 cm depth	2 King

Silk Duvet Covers

Size	Dimensions
Twin	68" × 90"
Full/Queen	90" × 92"
King / Cal King	106" × 92"

Size	Dimensions
Twin	173 × 229 cm
Full/Queen	229 × 234 cm
King / Cal King	269 × 234 cm

Fitted sheets accommodate mattresses up to 15" (38 cm) deep. California King is longer and narrower than Standard King — please confirm your mattress before ordering.

Turkish Cotton Towels

Type	Dimensions
Washcloth	13" × 13"
Hand Towel	18" × 32"
Bath Towel	30" × 58"
Bath Sheet	39" × 71"
Beach / Peshtemal	37" × 70"

Type	Dimensions
Washcloth	33 × 33 cm
Hand Towel	46 × 81 cm
Bath Towel	76 × 147 cm
Bath Sheet	99 × 180 cm
Beach / Peshtemal	94 × 178 cm

Dimensions may vary slightly — Turkish cotton softens and can shrink up to 5% after the first few washes, which is normal for natural fibers.

How to Measure

Bust / ChestMeasure around the fullest part, keeping the tape level.

WaistMeasure around the narrowest part of your natural waistline.

HipMeasure around the fullest part of your hips, about 8" (20 cm) below the waist.

WhatsApp Us for Custom Size Contact & Full Info

Size

Color

Selected: L / Saphire

Quantity

The Cowl-Neck Criss-Cross Back Silk Slip

Style Category: 90s-Inspired Cowl-Neck Slip Dress with Open Criss-Cross Back
Aesthetic: Soft Feminine Luxury / Romantic Minimalist
Silhouette: Bias-cut below-the-knee silhouette offering a slim yet relaxed fit.
Best For: Wedding guests, bridesmaids, cocktail soirees, date nights, and elevated summer receptions.

Product Overview: The Penelope Cross-Back Silk Midi Slip

Crafted from the highest quality 100% Mulberry Silk, these gowns are tailored to make you look and feel both elegant and stunning. A standout feature is the silk's delightful texture against your skin, making it not just visually appealing with its liquid lustre, but also incredibly tactile. Whether you are searching for what to wear to a special occasion or a dress that seamlessly combines comfort with high-end style, our collection offers the perfect blend of grace and sophistication.

We care about all the moments from the beginning to the finished product. All our silk garments are created with love for women and the female body. Made from the softest silk charmeuse and premium fittings, this dress focuses on a precise bias cut, neat French seams, and a flawless fit—giving you the ultimate, effortlessly alluring slip dress.

Design & Silhouette Highlights

Neckline & Front: Delicate, soft-draping cowl neckline that frames the collarbones elegantly.
Back Details: A dramatic low V-back highlighted by ultra-fine adjustable spaghetti straps that cross gracefully in an 'X' shape.
Cut & Fit: Precision bias-cut body designed to skim the waist and hips comfortably without clinging or pulling.
Length: Elegant below-the-knee length (approximately 115 cm from shoulder), with custom lengths available upon request.
Craftsmanship: Tailored with reinforced French seams and left unlined to maximize the silk's lightweight, breathable drape against the skin.

Available Premium Silk Options

Available in a variety of premium silk options, allowing you to choose the fabric that best suits your style and preference:

22 Momme Silk Satin
- Medium-weight silk offering a perfect balance between durability and luxury.

🏷️ Product Details & Specifications

Attribute	Specification Details
Material	100% Pure Mulberry Silk Satin (Charmeuse)
Certification	STANDARD 100 by OEKO-TEX® Certified
Style	Cowl-Neck Slip Dress with Criss-Cross Back
Length	Below-the-Knee (~115 cm from shoulder; custom requests available)
Fit	Designed for a slim but relaxed fit
Straps	Thin, adjustable cross-back spaghetti straps
Back Profile	Low open back
Construction	Neat French seams, unlined
Care	Hand wash cold with silk detergent or dry clean

Free carbon-neutral shipping on this order

3 business days for the US, 7 days for the INT.

This charge appears as VESPERNY.COM on your statement

See what's inside your box →

🌿

Climate-Friendly

Carbon-neutral shipping

🐇

Cruelty-Free

Never tested on animals

✦

OEKO-TEX® Certified

Safe for sensitive skin

★

22-Momme Grade 6A

Top 3% global silk quality

100% Grade 6A Mulberry Silk · 22-Momme Weight · OEKO-TEX® Standard 100 Certified · Dyed with AZO-Free Botanical Pigments · Mother-of-Pearl Buttons · French Seam Finishing Throughout · Elastic Waistband with Drawstring · Packaged in FSC-Certified Recycled Box with Biodegradable Tissue

Silk Loungewear, Pajamas & Pillowcases

→Hand wash cold with gentle silk detergent, or machine wash delicate in a mesh bag.
→Do not bleach, wring, or tumble dry. Air dry flat, away from direct sunlight.
→Iron on lowest setting with a pressing cloth if needed.

Silk Dresses — Dry Clean Only

→Dry clean only to preserve drape, finish, and construction.
→Do not machine or hand wash. Steam on low to release light wrinkles.
→Store on a padded hanger in a breathable garment bag.

Always follow the care label sewn into each garment — it is the definitive guide.

This product ships carbon-neutral via EcoCart verified offsets. Packaging is 100% FSC-certified recycled material with biodegradable tissue and paper-based tape — zero plastic. Silk is sourced from responsible sericulture practices. This set uses approximately 60% less water to produce than an equivalent cotton pajama set.