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Free shipping campaign underway [until Monday, December 22nd]
Free shipping campaign underway [until Monday, December 22nd]

[Official Online Store Exclusive] Limited Time Offer! Free Shipping Campaign

・You can use the campaign as many times as you like within the period.
・Free shipping for purchases totaling ¥11,000 (tax included) or more.

[Campaign Period] Thursday, August 21, 2025, 10:00 AM - Monday, December 22, 2025, 11:59 PM
*The period is subject to change.

[Telephone inquiries] 0120-02-7074 (weekdays 10:00-17:00)


Please take this opportunity to enjoy shopping at the official B-Three online store.

straight

Ketrel Straight Pants

Original price 16,390円 - Original price 16,390円
Original price
16,390円 (税込)
16,390円 - 16,390円
Current price 16,390円 (税込)

Very popular for its smooth and comfortable new sensation! A stress-free basic straight cut made from fabric that is resistant to pollen and dust....

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Tapered

Luxury Wool Tapered Pants

Original price 38,500円 - Original price 38,500円
Original price
38,500円 (税込)
38,500円 - 38,500円
Current price 38,500円 (税込)

Wear bliss. Luxury knit pants made from the finest wool. FUNCTION Highly durable, shape-retaining, easy-care punch knit Aiming to create be...

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Wide/Semi-wide

  • NEW ITEM

Worsted wool wide pants

Original price 25,300円 - Original price 25,300円
Original price
25,300円 (税込)
25,300円 - 25,300円
Current price 25,300円 (税込)

Stylish, easy, and beautiful. Smart wool pants to transition from the lingering heat of summer to autumn. This highly functional fabric is perfe...

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straight

Basic knit and straight pants

Original price 16,390円 - Original price 16,390円
Original price
16,390円 (税込)
16,390円 - 16,390円
Current price 16,390円 (税込)

Aiming for the highest level of basic FUNCTION A comfortable fit that adapts to your body with every movement We've reconstructed the comfor...

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straight

[Wearable Shea Butter] Shea Butter Rib Knit Straight Pants

Original price 15,290円 - Original price 15,290円
Original price
15,290円 (税込)
15,290円 - 15,290円
Current price 15,290円 (税込)

Moist and smooth "Wearable Shea Butter®" ribbed pants FUNCTION Endless stretch and perfect fit for ultimate comfort These knit pants are ma...

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Innerwear

Super Hip Girdle

Original price 4,290円 - Original price 4,290円
Original price
4,290円 (税込)
4,290円 - 4,290円
Current price 4,290円 (税込)

A long-selling girdle that gently wraps around your hips This popular B3 classic girdle is made with soft stretch that doesn't feel too tight a...

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Innerwear

Air Girdle Shorts

Original price 5,390円 - Original price 5,390円
Original price
5,390円 (税込)
5,390円 - 5,390円
Current price 5,390円 (税込)

Stress-free, ultra-thin girdle shorts that feel like bare skin FUNCTION No elastic waistband. Reduces digging in for an addictive fit. Made...

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Innerwear

Light Silky Camisole

Original price 4,290円 - Original price 4,290円
Original price
4,290円 (税込)
4,290円 - 4,290円
Current price 4,290円 (税込)

Innerwear

Beautiful Legs Compression Socks

Original price 2,090円 - Original price 2,090円
Original price
2,090円 (税込)
2,090円 - 2,090円
Current price 2,090円 (税込)

Unique compression design for slim and beautiful legs FUNCTION Graduated compression for a comfortable tightening sensation The graduated co...

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Innerwear

Light Silky Spats

Original price 6,490円 - Original price 6,490円
Original price
6,490円 (税込)
6,490円 - 6,490円
Current price 6,490円 (税込)

Silky-touch, smooth "Light Silky" 3/4 length spats These thin, stretchy leggings fit comfortably. Made with ultra-fine raw silk and knitted at a...

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Innerwear

Long Shape Girdle

Original price 4,730円 - Original price 4,730円
Original price
4,730円 (税込)
4,730円 - 4,730円
Current price 4,730円 (税込)

3 levels of pressure for a comfortable fit without feeling constricting This long girdle provides support up to the knees and has three levels o...

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Innerwear

Light Silky Shorts

Original price 2,970円 - Original price 2,970円
Original price
2,970円 (税込)
2,970円 - 2,970円
Current price 2,970円 (税込)

Light Silky Shorts that wrap you in a silky touch These shorts are thin yet stretchy, providing a comfortable fit. Made with ultra-fine raw silk ...

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Innerwear

High Coverage Socks

Original price 1,650円 - Original price 1,650円
Original price
1,650円 (税込)
1,650円 - 1,650円
Current price 1,650円 (税込)

More comfortable than cover socks, and gives a beautiful look like stockings. B3's new socks FUNCTION Because it looks like bare feet You ca...

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Wide/Semi-wide

Fine knit wide pants

Original price 17,490円 - Original price 17,490円
Original price
17,490円 (税込)
17,490円 - 17,490円
Current price 17,490円 (税込)

Relaxed knitwear that is both fashionable and comfortable FUNCTION Durable lightweight punch knit The materials were carefully selected to ...

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straight

Oxford straight pants

Original price 25,300円 - Original price 25,300円
Original price
25,300円 (税込)
25,300円 - 25,300円
Current price 25,300円 (税込)

Made from the popular "Oxford" fabric, which has a sophisticated look and good stretch. A new standard straight hair style for both the office an...

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slim

Oxford Slim Pants

Original price 25,300円 - Original price 25,300円
Original price
25,300円 (税込)
25,300円 - 25,300円
Current price 25,300円 (税込)

Elegant appearance and firm stretch New standard slim fit made from popular "Oxford" fabric FUNCTION Elegant look and richly stretchy Ox...

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straight

Jeans-like straight pants

Original price 23,100円 - Original price 23,100円
Original price
23,100円 (税込)
23,100円 - 23,100円
Current price 23,100円 (税込)

Fade-resistant and color-transfer-resistant! Revolutionary jeans for adults FUNCTION Don't worry about rubbing! Color-transfer-resistant je...

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straight

Houndstooth Straight Pants

Original price 23,100円 - Original price 23,100円
Original price
23,100円 (税込)
23,100円 - 23,100円
Current price 23,100円 (税込)

A refreshing feel. An updated version of Houndstooth. FUNCTION Antibacterial treatment prevents the occurrence of damp odors, ensuring comfo...

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Care items

Pants Clean Laundry Net Wide

Original price 1,650円 - Original price 1,650円
Original price
1,650円 (税込)
1,650円 - 1,650円
Current price 1,650円 (税込)

Amazing wash results! Wide version of the laundry net for pants that can accommodate larger sizes FUNCTION Get amazing results with the ...

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Shoes

  • NEW COLOR

stretch sneakers

Original price 21,890円 - Original price 21,890円
Original price
21,890円 (税込)
21,890円 - 21,890円
Current price 21,890円 (税込)

Multifunctional stretch sneakers that you can slip on with just a simple heel slide! FUNCTION Hands-free design that allows you to put on...

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Shoes

Stretch flat shoes

Original price 18,590円 - Original price 18,590円
Original price
18,590円 (税込)
18,590円 - 18,590円
Current price 18,590円 (税込)

Multifunctional stretch shoes that you can slip on with just a simple heel slide! FUNCTION Hands-free design that allows you to put on and ta...

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Shoes

Loafer pumps

Original price 21,780円 - Original price 21,780円
Original price
21,780円 (税込)
21,780円 - 21,780円
Current price 21,780円 (税込)

Beautiful and comfortable loafer pumps FUNCTION A relaxed 3E design with a clean, beautiful design. This timeless, classic loafer design is...

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Shoes

Patent-toe ballet shoes

Original price 20,900円 - Original price 20,900円
Original price
20,900円 (税込)
20,900円 - 20,900円
Current price 20,900円 (税込)

Elegant ballet flats that hug your feet FUNCTION 3E design with a focus on cutting The 3E design makes these ballet shoes comfortable for p...

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Shoes

sneaker boots

Original price 25,300円 - Original price 25,300円
Original price
25,300円 (税込)
25,300円 - 25,300円
Current price 25,300円 (税込)

"Sneaker boots" that combine stretch boots and sneakers FUNCTION Soft, light and easy to put on and take off We've created sneaker boots usi...

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