#Japan #Tokyo #Women Athletes #Opt #Sports Binder

OPT's Innovative 'Unshakeable Sports Binder'

On March 9, 2026, the no-limit apparel brand OPT will introduce its latest product, the 'Unshakeable Sports Binder,' aimed at empowering female athletes. Developed by wagamama Co., Ltd., this sport bra is not just a piece of clothing; it's a revolutionary step forward in sportswear technology.

Collaboration and Research Behind the Development

The creation of the 'Unshakeable Sports Binder' stems from extensive research in collaboration with Professor Hirosawa from Waseda University. This venture has led to a unique 'flat pad' design that provides exceptional hold while minimizing any interference with the wearer’s breathing. Unlike traditional sports bras that often compromise comfort for support, this new product promises an extraordinary balance between the two.

Overcoming Common Challenges in Sports Bras

Historically, sports bras aimed at minimizing breast movement have a track record of being overly constrictive, making it difficult for women to breathe or move freely. OPT sought to address these concerns by engaging with female athletes and those who have faced discomfort regarding breast movement. Through rigorous trials and feedback, the team at OPT has proven that it's possible to combine a flat silhouette with unrestricted deep breathing.

Key Features of the 'Unshakeable Sports Binder'

1. Innovative Flat Pad Design

Rather than traditional cups, the binder utilizes a flat pad system to support the entire bust uniformly. This design not only secures the bust effectively but also maintains a sleek appearance for the user.

2. Breathability Confirmed by Athlete Evidence

Utilizing extensive data gathered from female athletes, the 'Unshakeable Sports Binder' has been shown to retain high levels of support while also allowing for a maximum tidal volume—meaning it doesn’t impede breathing any more than not wearing a binder at all. This feature enables optimal performance even during intense workouts.

3. Comfortable Length and Innovative Back Design

The binder has been tailored to a length of 6cm under the bust, ensuring it does not obstruct breathing. An intentional raw cut design at the back allows for natural movement whether the athlete is expanding their chest for a deep breath or engaging in other activities. In a recent survey with 56 female athletes, 94.2% reported feeling no discomfort, and 96.6% felt unrestricted in their movements while wearing the binder.

Availability

• - Launch Date: March 9, 2026
• - Purchase Location: Available on the official OPT online store https://opt-onlinestore.com/
• - Sizes Offered: Small, Regular, Large
• - Color Options: Black, White
• - Price: 7,920 yen (tax included)

Special Events to Celebrate Launch

To commemorate the product launch, OPT will host a pop-up store where customers can try on and purchase the binder firsthand. Additionally, a special private fitting event will allow women to comfortably try the binder without concern for onlookers.

• - Event Dates: March 14-15, 2026
• - Pop-up Store Location: In front of Yoyogi Park Station, [1-9-14, Tomigaya, Shibuya, Tokyo (3 minutes walk from Yoyogi Park Station)]
• - Private Fitting Event Location: Nearby the pop-up store, exact address to be shared with confirmed guests only.
• - Event Activities: Display, fitting consultations, and purchasing available. Reservations for the private fitting can be made via the provided form.

About Wagamama Co., Ltd.

Founded in 2019 by former women’s soccer players Shiho Shitamata and Honami Uchiyama, Wagamama Co., Ltd. aims to create a society where diverse women can showcase their abilities freely. Recognizing how issues such as menstruation and breast movement affect performance, they launched the no-limit wear brand 'OPT' to resolve these challenges. The company is also committed to driving Diversity, Equity, and Inclusion (DEI) initiatives within the corporate and brand sectors.

• - Corporate Office: 1-21-8 Hanegi, Setagaya, Tokyo 156-0042
• - Website: wagamama.co.jp
• - Brand Instagram: opt_wagamama
• - Contact: [email protected]