
Knix
Black Sculpting Tie Balconette
The Knix Black Sculpting Tie Balconette is a women's swim top with double-layer Premium Sculpt fabric that smooths and shapes natural curves, plus UPF 50+ sun protection. It features soft wireless unpadded cups with front string ties, thin adjustable straps, and a 3-position hook back closure; the body is 58% nylon/42% LYCRA elastane with an 85% nylon/15% spandex lining. Available in sizes XS-XL, it is machine washable and reported to fit true to size, with a matching bottom sold separately.
- Color
- Black
- Material
- Premium Sculpt fabric
- Gender
- female
- Style
- casual, minimal, resortwear
- Category
- Apparel & Accessories > Clothing > Swimwear
Size
Specifications
A balconette-style swim top with sculpting fabric, wireless cups, and adjustable features for a natural shape.
Double-layer Premium Sculpt fabric, UPF 50+ protection, wireless cups, adjustable straps and front ties, hook closure.
- Color
- Black · black
- Material
- Premium Sculpt fabric
- Style
- casual, minimal, resortwear
- Occasion
- beach-day, vacation
- Gender
- female
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing > Swimwear
Additional Attributes
- Double-layer Premium Sculpt fabric
- Smooths and slightly hugs body
- Shapes natural curves
- Soft wireless unpadded cups
- Adjustable front string ties
- UPF 50+ sun protection
- Thin adjustable straps
- 3-position hook closure at back
- Balconette silhouette
- Swim top design
Product Insights
Knix's Black Sculpting Tie Balconette offers wireless support up to a G cup with 42% elastane for a soft, hugging sculpt, adjustable front tie for neckline depth, and a sale price of $39.95 CAD undercutting Spanx, but it is designed only for lounging and light swimming, with UPF 50+ protection that applies solely to dry, unstretched fabric and decreases when stretched, and requires rinsing after water exposure to preserve elastic.
Verified claims
- Intended use
- Designed for lounging and light swimming, not high-impact activity.
- Care and UV
- UPF 50+ protection decreases when stretched; rinse after water to preserve elastic.
- Support
- Wireless balconette supports up to a G cup with 42% elastane for casual wear.
- Brand availability
- Knix is a Canadian brand sold at Simons for local purchase.
- Neckline
- Front tie adjusts neckline depth, allowing a modest or plunging look.
- Fit
- Provides wireless support up to G cup, with extra fit via the tie.
- Swim activity level
- Adjustable ties provide moderate support for light swimming and lounging.
- Price advantage
- Sale price $39.95 CAD halves Spanx, no duties for Canadians.
- UPF wet performance
- UPF 50+ rating applies only to dry, unstretched fabric.
- Material
- Body: 58% nylon, 42% LYCRA; Lining: 85% nylon, 15% spandex – triple the elastane of typical shapewear for a soft, hugging sculpt.
- Value
- Sale price ~$40 CAD, undercutting Spanx's $80 halter with higher elastane.
- Use case
- Designed for lounging and light swimming, not for laps or high-impact activity.
- Chlorine care
- Rinse in fresh water after swimming, lay flat to dry, and avoid bleach and iron.
- UPF maintenance
- UPF 50+ rating only guaranteed on dry, unstretched fabric; avoid over-stretching when wet.
- Pricing
- Knix avoids duties and sale price $39.95 CAD beats Spanx by $70+.
Product record
- Title
- Black Sculpting Tie Balconette
- Brand
- Knix
- Availability
- In stock
- Rating
- 4 stars, 1 reviews, scale 5
Image Analysis
3 images- 01

Product
Close-up of a model wearing a black balconette-style swim top with thin shoulder straps, a center front tie bow, gathered cup edges, and a wide underband; the matching black bikini bottom is partially visible.
- Top silhouetteBlack balconette-style swim top with low square neckline and slightly gathered cup shape.
1 region
x 0.14 · y 0.24 · w 0.72 · h 0.28 (high) - Shoulder strapsThin black shoulder straps, one visible over each shoulder, attaching at the top edge of the cups.
2 regions
x 0.22 · y 0.18 · w 0.12 · h 0.18 (high); x 0.60 · y 0.18 · w 0.12 · h 0.18 (high) - Center tie bowDecorative black tie at the center front forming a small bow with short loose ends lying over the top edge of the cups.
1 region
x 0.42 · y 0.34 · w 0.16 · h 0.08 (high) - Top edge detailSlightly gathered or ruched top edge of the cups creating a soft ruffle along the neckline.
1 region
x 0.18 · y 0.28 · w 0.64 · h 0.10 (high) - UnderbandWide black underband beneath the cups with visible seam line where it meets the cup fabric.
1 region
x 0.18 · y 0.42 · w 0.64 · h 0.08 (high) - Cup stitchingVertical seam lines and subtle topstitching visible on each cup shaping the fabric.
1 region
x 0.22 · y 0.30 · w 0.56 · h 0.14 (high) - Matching bottom visibleHigh-cut black bikini bottom partially visible on the model's right hip and lower torso.
1 region
x 0.55 · y 0.64 · w 0.35 · h 0.32 (high)
Other
Studio portrait crop showing a female model from the upper thighs to head against a light neutral background with soft directional lighting from the left.
- Shot compositionPortrait crop focusing on torso and head; model posed with left hand near hip and right arm mostly out of frame.
- Background and lightingPlain light background with soft shadow to the left of the model indicating directional studio lighting from the right side of the camera.
- Image qualityHigh-resolution, sharply focused image with natural skin tones and visible fabric texture.
- AccessoriesModel wearing a bracelet on the right wrist visible at the lower right edge of the frame.
1 region
x 0.88 · y 0.78 · w 0.08 · h 0.10 (medium)
Colors
matte black· top fabric#1D0A04matte black· bottom fabric#1E1A1D- Top silhouetteBlack balconette-style swim top with low square neckline and slightly gathered cup shape.
- 02

Product
Front view of a two-piece black swim set on a standing model: a balconette-style bikini top with thin shoulder straps and a center tie, paired with high-cut V-front bikini bottoms. Visible fabric appears smooth with slight gathered/ruching at the top cup seams.
- Top shapeBalconette-style bikini top with straight lower band, slightly gathered fabric at the base of each cup, thin adjustable-looking shoulder straps, and a small self-tie bow centered above the bust.
1 region
x 0.28 · y 0.12 · w 0.44 · h 0.18 (high) - Top tie detailThin self-tie cord forming a small bow at the center front of the top, with visible cord ends.
1 region
x 0.46 · y 0.18 · w 0.08 · h 0.06 (high) - Bottom cutHigh-cut bikini bottoms with a pronounced V-front rise and smooth fabric finish, sitting at the model's hips.
1 region
x 0.30 · y 0.33 · w 0.40 · h 0.20 (high) - Fabric textureSmooth, matte swim fabric with minor surface sheen and gentle gathering at top cup seams; no visible pattern or print.
- Visible seams and constructionSeamed cups with stitch lines and mild ruching beneath the cup seams; band under bust appears to be a single folded seam.
1 region
x 0.28 · y 0.15 · w 0.44 · h 0.12 (medium)
Other
Studio shot of a standing model against a plain light background with soft shadows; full-body composition shows footwear and jewelry used as styling props.
- Model poseFull-frontal standing pose with weight on one leg, arms relaxed by sides, head facing forward.
1 region
x 0.20 · y 0.02 · w 0.60 · h 0.96 (high) - Background and lightingPlain off-white studio background with soft even lighting and a faint shadow cast to the model's left on the background and floor.
- Styling propsModel wears black sandals and a gold-tone bracelet and ring; these appear as styling accessories and not part of the swim set.
2 regions
x 0.42 · y 0.82 · w 0.32 · h 0.12 (high); x 0.62 · y 0.50 · w 0.12 · h 0.10 (high) - Image framingFull-body vertical frame centered on model with even margin on left and right; minimal cropping at the floor.
Colors
black· bikini top#1D0B04black· bikini bottoms- Top shapeBalconette-style bikini top with straight lower band, slightly gathered fabric at the base of each cup, thin adjustable-looking shoulder straps, and a small self-tie bow centered above the bust.
- 03

Product
Rear view of a black balconette-style bra and matching black bottoms on a model; adjustable straps attach to the band and a center-back fabric tie/loop closure is visible.
- Back bandHorizontal black fabric band across the mid back with a centered fabric tie or loop closure that appears gathered and knotted at the middle back
1 region
x 0.18 · y 0.44 · w 0.64 · h 0.12 (high) - Shoulder strapsTwo narrow black shoulder straps running from the cups over the shoulders to the back, each with an adjustable slider; left strap crosses near the left shoulder blade, right strap aligns near the right shoulder
2 regions
x 0.10 · y 0.18 · w 0.16 · h 0.44 (high); x 0.66 · y 0.18 · w 0.12 · h 0.40 (high) - Strap-to-band connectorSmall rectangular ring where each strap meets the band at the back, visible on both sides
2 regions
x 0.12 · y 0.46 · w 0.08 · h 0.06 (medium); x 0.72 · y 0.46 · w 0.06 · h 0.06 (medium) - Bottoms visibleHigh-rise black swim bottoms visible from the back with smooth, seamless appearance at the waistband
1 region
x 0.20 · y 0.68 · w 0.60 · h 0.30 (high) - Fabric finishSmooth, matte black fabric with minimal surface texture and clean stitched edges at the band and waistband
Other
Studio rear-angled portrait of a model against a plain light background with soft directional lighting and slight shadowing to the left; hair and earring are visible and the image is cropped from mid-thigh to the top of the head.
- Model pose and framingModel shown from the rear with torso turned slightly to the right, head in profile facing right, image cropped from mid-thigh to top of head
- Lighting and shadowSoft studio lighting creating a faint shadow on the left side of the background and gentle highlights on the model's skin
- Accessories and hairLong dark hair falling down the left side of the back and a single chunky metallic hoop earring visible on the left ear
1 region
x 0.10 · y 0.05 · w 0.28 · h 0.36 (high)
Colors
matte black· bra band and straps#1C0C0Amatte black· swim bottoms#1B161C- Back bandHorizontal black fabric band across the mid back with a centered fabric tie or loop closure that appears gathered and knotted at the middle back