About Us






"SIA V" EOOD is a manufacturer of Bulgarian luxury underwear, established in 2000, and for 22 years it has successfully developed and marketed the all-Bulgarian underwear brand Sia Underwear. SIA Underwear is a Bulgarian underwear brand with a clear philosophy for uncompromising quality of all models of underwear and clothing it offers. Online underwear and clothing store with the address www.sia-v.com is the official site of the SIA Underwear brand. The models on this underwear site are entirely produced in Bulgaria in the company's production base from high quality materials. The company is a manufacturer of luxurious quality women's underwear and knitted garments with a long-standing market presence.



We, the team at online lingerie store SIA UNDERWEAR, love what we do, follow the trends and put a personal touch into the development of each new product in our collection. Our models of underwear and clothes are modern and interesting, with comfortable cuts and precise execution. We carefully select the fabrics, laces, threads and accessories so that they are not only beautiful, but also pleasant to the touch when worn and durable for long use. The materials are produced in Italy, Greece and Turkey by proven manufacturers. The sewing technology is tailored to the strength and quality of the products. Each underwear model, before being approved for production, is subjected to durability tests according to an internal standard approved by the company.


By choosing to buy products from an online store for Bulgarian underwear with the SIA UNDERWEAR brand, you will enjoy exceptional comfort and a sense of luxury and sex appeal at any time of the day! With every purchase from our online store you will receive:

- Luxurious Bulgarian underwear with a wonderful look that matches the published photos and in many cases surpasses them.




- Elegant underwear of perfect quality and modern design that you will use for a long time: everyday underwear, luxury models for special occasions, sexy underwear and accessories. If you follow the usage recommendations written on the labels, your products from the SIA UNDERWEAR online underwear store will stay in great shape for a long time. Do not wash at more than 30 degrees in the washing machine, do not bleach, do not tumble dry and do not iron! What's more - if you wash by hand or use the special linen program of your washing machine, you can enjoy an unsuspectingly long life of the products.

- Quality underwear with a comfortable cut and real size, selected fabrics of high quality. In the SIA UNDERWEAR online store for underwear and clothing, you will find models of underwear and knitwear in sizes from S to 6XL. If your measurements do not correspond to any of the standard sizes, you can choose a model and make an individual order for the production of women's underwear according to the sizes specified by you.



When ordering online at www.sia-v.com, in addition to quality products, you will receive:




- Friendly and competent service, consultation during selection, confirmation of availability. Our consultants are available, feel free to ask questions! You can order online or directly by phone: 00359 877 770 419 and 00359 877 770 685!



- Fast delivery of your order in our online lingerie store. We try to maintain stocks of all models, sizes and colors of underwear and clothes. If, however, the model you have chosen is not currently available, we will do our best to produce it as soon as possible or to offer you a replacement that meets your needs.


- Nice packaging. If your underwear order online is intended as a gift for a loved one, you can present it immediately after receiving the shipment, you only need to take out the delivery document. If the gift is intended for you personally, we guarantee you a pleasant experience with every purchase from our online underwear store.

- Security for your personal data and security for bank payment through the site. Online underwear store SIA Underwear is protected with SSL certificate at the highest level. Shop calmly and safely through our virtual post terminal with secure card payment!



- Correctness in case of exchange or return. We are confident that you will be satisfied with the products in our online underwear store, but if the size, color or model does not meet your expectations, you will not encounter any difficulties in exchanging the products or returning your money. Once we receive the returned order, We will refund the amount to the bank account specified by You within three working days.


Dear customers, our goal is for you to be delighted and satisfied with your shopping at www.sia-v.com lingerie online store


Whether you have chosen a nightgown, lingerie set, bodysuit, bikini, Brazilian, dress lining, socks and slippers, sexy lingerie or accessories, you will feel confident and beautiful whenever you wear products purchased from an online lingerie and clothing store with the brand SIA UNDERWEAR!




SIA Underwear- manufacturer of luxury bulgerian underwear

Bulgarien underwear SIA Underwear- the products

Online shop SIA Underwear