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About Mono B

Manufacturers of Mono B

Due to the Covid-19 pandemic, please follow our health and safety guidelines (wear a mask at all times, practice social distancing, disinfect your hands upon entering and leaving) when visiting our showroom in San Pedro.


2020 was a devastating year to many of us and to many facets of our lives.

Meanwhile, 2021 still remains an uncharted territory, and we’re treading it with cautious optimism.

We’re grateful to have made it through the year, but we wouldn’t be standing without your unwavering support.

Let’s take the memories and the lessons of the past year as we embrace the new.

Mono B apparel is designed in the US, from the heart of Los Angeles' fashion district. At Mono B, we believe healthy lifestyle activewear fashion should be celebrated.

Great performance fitness apparel needs to look functional whilst serving as a fashion expression of oneself.

Mono B offers a wide range of fashion-forward and functional activewear and performance wear including plus-sizes, such as leggings, sports bras, and jackets, as well as young contemporary wear and dresses, all at an affordable price.

Contact Information

2345 E. 52nd St.
Vernon, California 90058

Business Hours (PST):
Mon-Fri: 8:30AM - 5:00PM
Sat: Closed
Sun: Closed

Shipping & Return Policy

Return Policy

Return Policy
- No returns will be accepted without prior written authorization
- Merchandise can be returned within 7 days of receipt for store credit only
- Merchandise can be exchanged within 7 days of receipt
- Return/Exchanged items must be in unopened condition with the manufacturers seal
- Merchandise returned/exchanged After the 7 day return policy will be charged a 20% restocking fee
- Items that do not meet above criteria or are non-returnable/exchangeable will be denied.
- For all Returns, Exchanges, and Damages, please email us at [email protected] and call us at 213-746-0000 to retrieve a Return Authorization number. We will email you a Return Authorization form to ship back along with your Returned Authorization number. We will email you a Return Authorization form to ship back along with your returned merchandise. Please include the RA form with the items you are returning in the order you are shipping back.

Returns for Store Credit : Once we receive your package, we will issue Store Credit to your customer account within our internal system. You will receive a confirmation email regarding details to your Store Credit Once we receive your returned merchandise. Store credit will not be credited to your account until we receive the returned merchandise.

Exchanges: Once we receive your returned merchandise, we will credit the amount returned to the new merchandise you are exchanging for. If there is store credit left over, we will email you to inform you of your remaining balance. If the credit does not cover the cost of the entire order, we will inform you of the remaining order amount balance.

Shipping Policy

Our order processing time is between two and three business days.

Cancellation Policy

Cancellation Policy

You MUST cancel within 6 hours of placing an order, and contact us immediately to cancel the order.