
Le 31
Preppy Sweater Vest
This Preppy Sweater Vest is a sleeveless knit top from Le 31 by Simons, made from 100% reprocessed cotton. It features a textured twisted cable knit pattern, a deep V-neck, and striped ribbed edging, with a hip-length, fitted silhouette. Designed in Canada, it is worn over long-sleeve shirts for added layering.
Color
Size
Specifications
- Material
- 100% reprocessed cotton
- Gender
- male
- Age Group
- adult
- Condition
- new
Product Insights
Le 31's Preppy Sweater Vest ($69 CAD, in stock) offers a regular-fit, medium-weight cable knit fully opaque over a T-shirt or dress shirt, blending cricket vest, Aran cable, and ivory tennis-sweater heritage. It mirrors J.Crew's preppy styling at about half the price, using 100% reprocessed cotton that saves up to 20,000 liters of water per kg and avoids pesticides (representing under 1% of global cotton supply). The main tradeoff is careful maintenance: hand-wash cold or delicate cycle, air-dry flat, and iron with a damp cloth to protect the knit, as it may shrink 3–5% on first wash and must be folded to avoid stretching. Suitable for fall layering or spring standalone wear but not for winter.
Verified claims
- Fit and layering
- Regular fit, medium-weight vest for layering over a shirt in cool weather; not for winter.
- Opacity
- Dense cable knit is fully opaque when worn over a T‑shirt or dress shirt.
- Care
- May shrink 3–5% on first wash; air‑dry or size up if machine‑drying.
- Weight and Seasonality
- Medium-weight vest for fall layering and spring standalone.
- Design heritage
- Design fuses cricket vest, Aran cable, and ivory tennis-sweater heritage.
- Value
- $69 CAD, about half of J.Crew's $121 CAD.
- Sustainability
- Saves up to 20,000 liters of water per kg, avoids pesticides, and represents only 1% of global cotton supply.
- Design parity
- Regular fit, medium-weight cable knit, opaque – mirrors J.Crew's preppy styling and versatility.
- Material
- 100% reprocessed cotton: up to 20,000L water saved per kg, <1% of global supply.
- Laundry
- Wash in cold water by hand or in a pillowcase on delicate, then air-dry flat.
- Ironing
- Iron with a damp cloth barrier to protect the cable knit from flattening.
- Storage
- Fold the vest rather than hanging it to prevent stretching of the shoulders and neck.
Product record
- Title
- Preppy Sweater Vest
- Brand
- Le 31
- Price
- 69 CAD
- Availability
- In stock
Image Analysis
3 images- 01

Product
A sleeveless cable-knit sweater vest in a light cream color with a deep V-neck and contrasting navy double-striping at the neckline and hem. The vest is worn over a long-sleeve shirt and covers the model's torso from shoulder to waist.
- Overall shapeSleeveless, hip-length pullover vest with a deep V-neck and straight hem, fitted over the torso.
1 region
x 0.18 · y 0.18 · w 0.64 · h 0.50 (high) - Knit patternVertical cable-knit pattern running down the front of the vest, consistent across the visible body.
1 region
x 0.22 · y 0.24 · w 0.56 · h 0.44 (high) - Neckline trimDeep V-neck finished with three concentric ribbed stripes: a narrow inner stripe, a wider cream band, and an outer navy stripe creating a double-striped navy appearance.
1 region
x 0.30 · y 0.18 · w 0.40 · h 0.18 (high) - Hem trimRibbed hem with horizontal stripe banding: alternating cream and navy stripes matching the neckline trim.
1 region
x 0.24 · y 0.57 · w 0.52 · h 0.08 (high) - Armhole finishRibbed armhole edges in the same cream knit as the body, slightly raised relative to the body stitch.
2 regions
x 0.18 · y 0.18 · w 0.12 · h 0.18 (high); x 0.70 · y 0.18 · w 0.12 · h 0.18 (high) - Visible layeringVest is worn over a light-blue long-sleeve shirt and underneath a tie; those garments are visible at the shoulders and neckline but are not part of the vest.
1 region
x 0.26 · y 0.18 · w 0.48 · h 0.28 (high)
Other
Lifestyle photograph showing a male model in soft, diffuse lighting against a pale tent-like background; the model holds a navy blazer over his shoulder. Partial background text is visible but cropped.
- Model poseMale model shown from mid-thigh up, facing slightly to the viewer's left, holding a navy blazer draped over his left shoulder with his left hand.
1 region
x 0.03 · y 0.08 · w 0.48 · h 0.64 (high) - Background text fragment“21s g t”Partial
1 region
x 0.73 · y 0.14 · w 0.24 · h 0.36 (medium) - Lighting and shadowSoft, diffuse lighting with gentle shadows on the model's right side and minimal specular highlights on fabric surfaces.
- Image framingVertical portrait framing cropping the model near mid-thigh; full head and most of upper body are visible.
Colors
light cream· vest bodynavy· neckline and hem stripes#252C34- Overall shapeSleeveless, hip-length pullover vest with a deep V-neck and straight hem, fitted over the torso.
- 02

Product
Rear view of a sleeveless cable-knit sweater vest in a light cream color with vertical cable pattern, ribbed armholes and hem, and contrasting navy stripe details at the back neckline and hem.
- Overall silhouetteBack view of a sleeveless, waist-length sweater vest with a straight hem and medium shoulder coverage that exposes the upper arms.
1 region
x 0.08 · y 0.06 · w 0.84 · h 0.74 (high) - Knit patternVertical cable-knit pattern formed by repeating rope-like braided columns running from shoulder to hem across the back panel.
1 region
x 0.16 · y 0.12 · w 0.68 · h 0.62 (high) - Back neckline trimShallow V-shaped back neckline with a double navy stripe trim on a ribbed collar band.
1 region
x 0.34 · y 0.06 · w 0.32 · h 0.10 (high) - Hem detailingRibbed hem band at the waist featuring two horizontal navy stripes separated by cream ribbing.
1 region
x 0.20 · y 0.63 · w 0.60 · h 0.16 (high) - Armhole finishNarrow ribbed armhole edging in the same cream color as the body.
2 regions
x 0.09 · y 0.12 · w 0.12 · h 0.20 (high); x 0.79 · y 0.12 · w 0.12 · h 0.20 (high) - Material appearanceSoft knitted fabric with visible stitch texture and moderate thickness suggested by the relief of the cable columns.
Other
Photo shows the vest worn by a model photographed from behind against a plain light neutral background with soft even lighting; parts of an undershirt and trousers are visible and the image is well centered on the garment.
- Model and stylingGarment is worn by a standing model seen from the rear; a light blue long-sleeve shirt is visible under the vest and the model has one hand in a pocket.
1 region
x 0.08 · y 0.30 · w 0.84 · h 0.58 (high) - Background and lightingPlain light neutral background with soft, even studio lighting and minimal shadows.
- Image crop and framingFramed to show the full back of the vest from neck to waist; slight crop at the top of the model head and below the waist shows part of trousers.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (medium)
Colors
cream· main body#BDBAB3navy· neckline and hem stripes#222533- Overall silhouetteBack view of a sleeveless, waist-length sweater vest with a straight hem and medium shoulder coverage that exposes the upper arms.
- 03

Product
Rear view of a sleeveless cable-knit sweater vest worn by a model; visible features include vertical cable knit pattern, ribbed armholes, a ribbed hem with contrasting stripes, and a v-neck collar with a double-stripe trim.
- Overall silhouetteSleeveless vest seen from the back with a straight hem and slightly fitted waistline where the ribbed hem meets the body.
1 region
x 0.14 · y 0.12 · w 0.72 · h 0.66 (high) - Cable knit patternVertical repeating braided cable-knit columns run down the entire back panel of the vest.
1 region
x 0.18 · y 0.16 · w 0.64 · h 0.60 (high) - Armhole finishRibbed trim around the armholes with a slightly raised texture and same base color as the vest body.
2 regions
x 0.14 · y 0.16 · w 0.18 · h 0.24 (high); x 0.78 · y 0.16 · w 0.16 · h 0.24 (high) - Ribbed hem with stripesWide ribbed hem at the bottom of the vest featuring two narrow dark horizontal stripes separated by the base color.
1 region
x 0.20 · y 0.67 · w 0.60 · h 0.12 (high) - V-neck collar trimV-shaped collar visible from the back with a double dark stripe running along the collar edge.
1 region
x 0.30 · y 0.10 · w 0.40 · h 0.10 (high) - Material appearanceKnit fabric with visible stitch texture and moderate thickness consistent with sweater knit.
1 region
x 0.22 · y 0.18 · w 0.56 · h 0.48 (high) - Visible occlusion by modelVest is worn by a model; portions of the lower sides are slightly obscured by the model's arms and hands.
2 regions
x 0.10 · y 0.60 · w 0.20 · h 0.32 (high); x 0.76 · y 0.58 · w 0.14 · h 0.36 (high)
Other
Studio product shot showing the model from the rear against a plain light background; model wears a light blue button shirt under the vest and olive trousers; lighting is even with soft shadows.
- Model and stylingMale model wearing the vest over a long-sleeve light blue button shirt with sleeves rolled to the forearms and olive-colored trousers visible from the back.
1 region
x 0.08 · y 0.12 · w 0.84 · h 0.76 (high) - BackgroundUniform light gray to off-white studio background with no visible props or texture.
- Lighting and shadowSoft diffuse lighting from the front/side producing faint shadows along the model's left side and under the hem.
- Image crop and framingRear three-quarter crop including model head down to upper thighs; hands partially in frame and lower legs cropped out.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (medium)
Colors
cream· body#CBC5BBnavy· collar stripe#2C231Bnavy· hem stripes#1C2333- Overall silhouetteSleeveless vest seen from the back with a straight hem and slightly fitted waistline where the ribbed hem meets the body.
Documents & Data
Customer Reviews
8 total8 reviews · out of 5
Taille
Beaucoup trop grand
So many compliments. Great preppy addition
Love tis wonderful, comfortable vest. Looking forward to getting the ecru/white with navy borders when it goes on sale.
New age Preppy.
Really like the fit. Wish it was more Ruby red than Rust red. But it's fun.
Extra-small
Le extra-small me va va parfaitement. J'aime le style.
love
fits great
Wow
J’ai déjà le beige, et le vert est plus punché
Super
Super look, grande qualité
Débardeur cool et passe-partout
Chouette débardeur confortable et stylé.