Bio Fitter

A derivative line in Bio Fitter’s men’s range that developed classic casual shoes in a more stylish direction. While maintaining reduced strain during walking and comfort, it emphasized designs that paired easily with men’s everyday wear and commuting. Official press releases introduced it as a men’s product in the Bio Fitter series, positioning it as a past men’s line within FOR MEN that placed greater emphasis on appearance and everyday wearability.

A men’s line derived from Bio Fitter, developed to mark the brand’s first full-scale expansion into men’s footwear. It carries over the main brand’s walking support features and consists primarily of casual shoes suited to men’s everyday wear and commuting. It is currently treated as a separate series name in the official online shop and is positioned as the core line for Bio Fitter’s men’s range.

An independent line developed through a collaboration with Pansy, stemming from Bio Fitter’s universal design philosophy. Based on Bio Fitter’s “consideration for the body,” it was offered as a comfort shoe line designed with a broad range of users in mind, featuring easy-to-put-on-and-take-off designs and wide-fit options. Rather than being a one-off product name, it is a derivative line released by Chiyoda as an original brand and continued within its official series.

A specialized derivative line developed for reconditioning, building on Bio Fitter’s basic walking-support functions. Under the supervision of a professor in the Faculty of Physical Education at the International Budo University, it adopts features such as soles that encourage natural shifts in the center of gravity and insoles with multiple structures. Rather than focusing on strengthening the body, it proposes restoring the body to its natural state through walking. It is a functional line focused on healthy walking, distinct from ordinary everyday shoes.

A running shoe line for kids and juniors derived from Bio Fitter. It prioritized ease of running for everyday exercise and commuting to school, and featured dash-point spikes on the soles, easy-to-use hook-and-loop fasteners, and a size range extending through junior sizes. Unlike the adult-oriented SPORTS line, it was a past kids’ sports line focused specifically on children’s exercise and school-commuting needs.

A children’s line derived from the Bio Fitter series. Opinions from staff who are mothers are reflected in product development, incorporating features that make the products easy for growing children to use every day, such as lightweight construction, flexibility, breathability, reflective materials, antibacterial and deodorizing properties, and washable, removable insoles. Unlike the adult-oriented LADIES and FOR MEN lines, it is offered as a kids-only line for use in settings such as commuting to and from nursery or school and play.

A women's comfort footwear line derived from Bio Fitter, combining design appeal with ease of walking. Unlike conventional function-focused walking shoes, it incorporated wedge soles and streamlined silhouettes, offering shoes that were easy to coordinate with outfits for outings. The Autumn/Winter 2016 models were officially released; this former derivative line provided a stylish women's offering distinct from LADIES.

A women's comfort line derived from the Bio Fitter series. It retains the main brand's walking-support features while combining design elements for women, lightweight construction, a wide-fit design, and antibacterial and deodorizing functions. Unlike lines tailored to specific uses such as nursing or sports, it offers a broad range of women's shoes suited to everyday outings and regular use, and is developed as the core line in the women's category.

A professional footwear line derived from Bio Fitter for people working in hospitals and offices. Designed with prolonged standing in mind, it prioritizes fit, cushioning, antibacterial properties, stain resistance, water repellency, and slip resistance. Unlike LADIES, which offers general comfort shoes for women, it is a purpose-specific line focused on use in medical and office settings, clearly emphasizing Bio Fitter’s functionality.

Within Bio Fitter, a relaxed line that emphasizes roomier fit across the foot, shock absorption, and a soft feel. Compared with typical casual shoes for women and men, it foregrounds a wide-fit design, antibacterial and deodorizing insoles, and reduced strain while walking, serving to make everyday walks and outings more comfortable. Products continue to be classified under a distinct line name by official retailers.

A casual line derived from Bio Fitter that emphasizes ease of putting on and taking off, as well as ease of walking. Official product descriptions position it as a series that anyone can walk in easily and comfortably, with features such as hook-and-loop fasteners, soft insoles, and flexible soles. Rather than serving occupational or athletic purposes like NURSE or SPORTS, it is a comfort-focused line suited to nearby outings, office wear, and everyday use.

A line that extends Bio Fitter’s walking support features to sports and exercise. It focuses on walking and running shoes with features such as lightweight construction, cushioning, a wide fit, and waterproof and water-repellent properties, serving everyday exercise and outdoor activities. In contrast to the general men’s and women’s lines, it is positioned as a sports-oriented offshoot focused on athletic performance and active use.

A winter footwear line derived from Bio Fitter and intended for use in snow and cold regions. It offers snow boots and winter shoes with features such as waterproofing, slip resistance, protection from the cold, heat retention, and reflective materials, serving a seasonal and climate-specific role distinct from the regular walking and casual lines. It is listed in the official series as a season-specific derivative line that foregrounds features supporting walking on snowy roads.

A line that develops Bio Fitter’s “consideration for the body” philosophy from the perspective of universal design. It prioritizes ease of putting on and taking off, safety while walking, a wide fit, and reduced strain on the feet, and is designed as footwear for a broad range of users, from people in good health to those with foot concerns. Unlike conventional women’s and men’s lines, it is positioned as a function-focused line centered on consideration for physical abilities and usage environments.

A former line that developed Bio Fitter’s walking functionality specifically for walking. Compared with ordinary casual shoes, it placed greater emphasis on stability while walking and reducing strain on the feet, and was presented as footwear for health-conscious users. In corporate disclosures, it was introduced as an independent product line within the Bio Fitter series, alongside lines such as LADIES, and was positioned with a greater focus on everyday healthy walking than SPORTS.