Modal is an regenerated cellulose fiber from Austria Lenzing, its raw material is extracted from the European beech wood. To make it into pulp, then process it into fibers through special spinning process. Modal products have good flexibility and excellent moisture absorption, but poor stiffness. We often used modal 40s. Micro-modal is a step upgrade from regular Modal also from Austria Lenzing. The products that produced with Micro-modal are obviously finer and lighter, and feel like a "second skin". We often use Micro-modal 50s, 60s, 80s when manufacturing our products.

The fiber extracted from plants is called rayon. Bamboo rayon fiber, as a kind of rayon, especially refers to the fiber extracted from bamboo, which is a kind of rayon. Bamboo fiber is a kind of cellulose fiber extracted from bamboo fiber. The bamboo fiber is a multi-functional material, breathable and moisture-wicking.

High technology fast drying fabric is breathable and quick dry to keep you cool and fresh. The Ultra-fine Polyamide with amazing permeability can rapidly wick sweat away from the body, and keep you fresh. Its high durability and elasticity ensure you the best performance even when you're doing strenuous exercise.

Supima is the world's finest cottons, Supima is a non-profit organization of American Pima cotton growers whose main objective is to promote the use of American Pima cotton around the world and is involved in quality assurance and research programs. The used of the trademark "Supima®" is strictly controlled by the grower organization, only authorized company with high quality products can use Supima® trademark to promote their own Supima products.
1) A Longer Staple Length The staple length of Supima is 35% longer than regular cottons. This increases softness and luster. Fewer fiber ends are exposed, minimizing the effects of abrasion resulting in less pilling.
2) A Stronger Fiber Supima is up to 45% stronger than regular cottons. This makes Supima products extraordinarily resilient. Even lighter-weight Supima fabrics are incredibly durable, without compromising drape and comfort.
3) A Vibrant Fiber Supima absorbs and retains color better than regular cottons. This means that Supima products retain their brilliance over many years of use.

Combed cotton is an extremely soft version of cotton made by specially treating the cotton fibers before they are spun into yarn. When cotton is combed, fine brushes are used to pull out any remaining impurities, along with short cotton fibers, leaving behind only long, straight fibers which are even and aligned. The texture of combed cotton is softer, stronger, and less pilling. Over all, Combed Cotton is much better than conventional cotton.

Spandex is a synthetic fabric with elasticity. The fabric is able to expand up to 600%-700% and spring back without losing its integrity. Spandex was developed by Dupont in 1958 for commercial use, and become one of the most well-known brands of spandex called Lycra.

Four needles six lines technology flatten the seam construction provides more comfort and helps prevent skin irritation.

Easily tear off the tag by hand without scissor. No need to worry about skin irritation cause by the tag, and prevent any damage to the underwear.

If the order is cancelled before the product is shipped or produced, you will get full refund, the refund will be processed within 14 days.Return an item for a refund: When you send the package back, please provide the logistics tracking number certificate in time. After confirming that your return is working, we will process your refund as soon as possible.

Please contact us first if you receive defective item and we will ship a new replacement to you and it is not necessary to return the defective item to us.

If you don’t satisfied with your first pair of underwear, it’s on us. Free Return. Free Exchange. 
The guarantee is applied only for your first order in davidarchy.com.
All requests must be made within 14 days of purchase.
This policy can only be used once for each recipient address, one unit (piece, set) of goods.
For the details of returns and exchanges, please see our standard

Once your return reach our appointed warehouse(which we will email you the address) and inspected, we will email you a notification of receipt. We will also notify you of the approval or rejection of your refund. If you are approved, your refund or exchange will be processed, and a credit will automatically be applied to your credit card or original method of payment within 10 business days.

Processing time is 1 to 2 business days before shipment. We will send you a shipping confirmation email once your order has been shipped out.

You will receive your order in 3 to 7 days once your order has been shipped.

If the return is caused by the consumer, consumer should be responsible for the shipping fee. The specific fee should be based on the express company you choose; If due to our reasons, the goods received are damaged or not correct, the consumer is not required to bear the shipping fee for this reason.

After the order shipped out, to track your order, please click“Track Orders”in our page bottom bar, enter your order number/tracking number to get more information and check the latest status of your order.