Sia Underwear

Shaping Panties Slender Elegant — Nude are your secret to a flawlessly smooth silhouette. Designed with a high, seamless waist, they effortlessly sculpt your midsection, creating an elegant line that enhances your natural curves. Crafted from a dense, firm fabric in a body-blending nude shade, these panties ensure maximum comfort while remaining completely invisible under any outfit, making them perfect for every occasion.

• Sculpted Silhouette: Expertly flattens and shapes the tummy.
• High-Waist Design: Provides comfortable tightening and superior support.
• Invisible Underwear: Stays perfectly discreet beneath any clothing.
•  Made in Bulgaria by SIA Underwear.

Experience ultimate comfort and elegance with our Bordeaux Cotton Nightdress. Perfect for restful sleep or sophisticated loungewear, its rich bordeaux hue adds charm to your evening.

Crafted from a blend of soft cotton and elastane, this nightdress offers exquisite comfort. It features delicate lace details on the back and neckline for a touch of feminine appeal. The practical above-the-knee length ensures comfort through every season. Proudly made in Bulgaria by SIA Underwear.

• Cotton & Elastane Blend
• Elegant Lace Back & Neckline
• Comfortable Above-Knee Design

Elevate your wardrobe with the Favorite white dress slip/nightdress. This piece combines elegance and comfort, perfect as a slip or nightwear.

• Features delicate lace detailing for a touch of sophistication.
• Offers versatile use as a dress slip or nightdress.
• Crafted for elegance and comfort.
• Proudly made in Bulgaria by SIA Underwear.

Experience gentle care and exceptional comfort with our Ivory Microfibre Bikini Briefs. Finely crafted with an elegant design, they're the perfect choice for every woman. Made from super-fine microfibre that feels incredibly soft against your skin. Enjoy all-day wear without irritation.

• Silky-touch microfibre
• Seamless back for no visible lines
• Soft, thin elastics
• Made in Bulgaria by SIA Underwear

Indulge in serene nights and peaceful mornings with our Cotton Nightdress in Powder Romance. Merging comfort with elegance, this nightdress is the perfect choice for your relaxation.

Crafted from soft, stretch cotton, it provides unparalleled comfort and freedom. Delicate lace detailing on the short sleeves and V-neckline adds a refined, feminine touch. The gentle powder color further enhances its elegance.

Ideal for both restful sleep and lounging at home, this nightdress doubles as a stylish and comfortable house dress. Made in Bulgaria by SIA Underwear, it offers gentle care and comfort throughout the night.

• Soft and stretch cotton for supreme comfort
• Exquisite lace for a feminine accent
• Comfortable fit, perfect for sleeping and relaxing

Experience gentle comfort all night long with our ash-colored Romance cotton nightdress. Perfect for relaxing at home, this nightdress is made from soft, elastic cotton for ultimate comfort and freedom of movement.

The delicate lace detailing on the short sleeves and V-neckline adds a touch of elegance. Its beautiful ash color gives it a sophisticated look.

Made in Bulgaria by SIA Underwear, this versatile design is suitable for both sleeping and lounging.

• Elastic Cotton for Maximum Comfort
• Lace Details for Elegant Look
• Versatile Design: Sleep & Relax

The Romance Cotton Nightdress is the epitome of comfort and elegance for your night's rest. Made from high-quality elastic cotton, it gently embraces your body. The V-neckline, crafted from delicate lace, adds refinement and femininity. Short lace sleeves complete the elegant design. Proudly made in Bulgaria by SIA Underwear.

• Material: Elastic cotton
• Neckline: V-neck with lace
• Color: Bordeaux
• Sleeves: Short, lace

The Cotton Nightdress with Back Lace combines comfort and elegance. This design is perfect for both sleepwear and loungewear, offering you style and convenience.

Made from high-quality cotton and elastane, this elegant nightdress provides a soft and unrestricted fit. The lace details on the back and neckline add a touch of sophistication and femininity.

Featuring a length slightly above the knee, it is comfortable and practical for everyday wear. Ideal for any season!

Made in Bulgaria by SIA Underwear.

• Cotton and elastane
• Lace on the back and neckline
• Length above the knee
• Suitable for loungewear

Experience the luxurious touch of our nude dress slip, primarily designed as a nightgown. Its elegant straight silhouette and delicate lace V-neck, complete with adjustable straps, offer the perfect fit.

• Made from silky-soft, elastic microfiber
• Wide lace at the bottom enhances the feeling of luxury
• Versatile design

Clean-cut mid-rise cotton Brazilian briefs from the Cotton Comfort collection in nude — invisible under thin and light-coloured clothing. 92% cotton and 8% elastane, fine elastics with no marks. Smooth cut with no decorations on either side. Suitable for sensitive skin. Sizes S–2XL.

Mid-rise cotton Brazilian briefs from the Cotton Comfort collection — a discreet cut, invisible under clothing. 92% cotton and 8% elastane provide natural breathability and flexibility that retains shape after repeated washing. Fine elastics leave no marks, suitable for sensitive skin. Sizes S–2XL.

Bikini briefs made from exceptionally fine Italian microfiber with a delicate sheen. The white color symbolizes purity and refinement, while the silky fabric provides an incredible sensation of softness. The model features super slim elastic bands at the waist and front, with no elastic at the back for a flawless silhouette.

Made in Bulgaria by SIA Underwear!

Exquisite dark blue women's bikini briefs made from exceptionally fine Italian microfiber with luxurious silky sheen. The dark blue shade radiates softness and refinement, while the fabric provides an incredible sensation of delicacy on the skin. The model features super slim elastic bands at the waist and front, with no elastic at the back for a flawless silhouette.

Made in Bulgaria by SIA Underwear!

Classic black women's bikini briefs made from exceptionally fine Italian microfiber with a silky sheen. The black color adds elegance and confidence, while the fabric provides an incredible soft touch sensation. The model features super slim elastic bands at the waist and front, with no elastic at the back for a perfect invisible effect. Made in Bulgaria by SIA Underwear!

Made in Bulgaria by SIA Underwear!

Cotton Brazilian panties with high waist in white — a classic for comfort and freshness. Fine elastics fit softly without pinching, while the high waist covers the tummy and provides security. The Brazilian cut flatters the feminine silhouette, and cotton with elastane maintains a feeling of cleanliness.

High-waisted cotton Brazilian panties in nude — invisible under light and sheer clothes. Fine elastics don't dig in or show through, while the high waist covers the tummy and creates a smooth line. The Brazilian cut flatters your curves elegantly, and cotton with elastane ensures all-day comfort.

Experience all-day comfort with our Cotton Comfort high-waisted bikini briefs. Crafted from a soft cotton blend with elastane, these briefs offer a smooth, second-skin feel, disappearing seamlessly under your clothes.

• Beige Color: Invisible even under the thinnest fabrics.
• High-Waisted Design: Gently shapes your silhouette without constriction.
• Soft Cotton with Elastane: Gentle on the skin and flexible for all-day movement.
• Made in Bulgaria by SIA Underwear.

Discover the perfect blend of comfort and elegance with our Cotton Comfort High-Waisted Cotton Bikini Briefs. Made from soft cotton with a touch of elastane, they offer a gentle feel and freedom of movement. The classic white color is ideal under light clothing, and the high waist provides a smooth silhouette.

• High waist - covers the abdomen and provides security
• Breathable cotton fabric - comfort all day long
• White color - a universal choice under any clothes
• Made in Bulgaria by SIA Underwear

Experience luxury with the Betty Nude Microfibre Lace Bikini Briefs. Crafted in Bulgaria by SIA Underwear, these high-waisted briefs combine soft, stretchy microfibre with beautiful lace for ultimate comfort and elegance.

• Smooth front with fine elastics.
• Lace back with scalloped edge.
• Comfortable cut with full hip coverage.
• Elegant beige color.

Elevate your everyday comfort with the Betty Black Microfibre Lace Bikini Briefs. Crafted from a super-soft and stretchy microfibre, these high-waisted briefs offer a flawless fit and feel.

The front is designed with minimal elastics for a smooth, clean look, while the back is finished with beautiful lace for a touch of elegance.

• High-waisted for a flattering fit
• Comfortable, wide-cut sides
• Made in Bulgaria by SIA Underwear

IRIS Set - Elegant Comfort for Every Day
Why Choose Iris Set?
Comfort meets elegance in this sophisticated set made of high-quality elastic cotton. The bodice with thin adjustable straps and a delicate neckline shapes the figure without being constricting, while the Brazilians with a subtle gather at the front and a decorative ribbon perfectly complete the look.

What makes this set special?
Sophisticated design with attention to detail - The delicate gather of the fabric at the neckline of the bodice and at the front of the Brazilians creates a feminine accent without unnecessary drama. The small ribbon adds a finishing touch of elegance.

Perfect fit for every figure - The adjustable straps of the bodice allow for individual adjustment for maximum comfort throughout the day. No more discomfort from tightness or looseness.

Quality cotton jersey with elastane - The soft, breathable material ensures all-day freshness and freedom of movement. The fabric retains its shape even after repeated washings.

How to wear the Iris set?
Ideal for everyday life, work or relaxing at home. Combine it with your favorite jeans and a shirt for a casual look or wear it as a base layer under a formal outfit. The universal black color and delicate purple hue combine perfectly with any wardrobe.

Experience the perfect blend of cotton comfort and delicate lace with this women's corsage. Enjoy the soft touch of cotton against your skin while adding a touch of elegance with the lace detailing.

• Soft Cotton Fabric: Provides all-day comfort.
• Delicate Lace: Adds a feminine and elegant touch.
• Perfect for adding a subtle accent to your outfit.

Experience all-day comfort with our black High-Waisted Cotton Bikini Briefs. Crafted from soft cotton, these briefs offer a gentle touch and a perfect fit.

• High waist design for added comfort and elegance.
• Made from soft and elastic cotton for a gentle feel.
• Simple design suitable for everyday wear.