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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.

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Filters

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

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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Innerwear

Silky Warm Spats

Original price 7,590円 - Original price 7,590円
Original price
7,590円 (税込)
7,590円 - 7,590円
Current price 7,590円 (税込)

Warm spats that can be worn over pants FUNCTION Soft and warm, smooth to the touch These warm spats are made with ultra-fine yarns knitted a...

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Small items

Stretch Elastic Belt

Original price 3,190円 - Original price 3,190円
Original price
3,190円 (税込)
3,190円 - 3,190円
Current price 3,190円 (税込)

A stress-free functional belt that fits your waist FUNCTION Available in a wide range of sizes It comes with an adjustable fitting so you ca...

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Tops

  • NEW COLOR

B-THREE/T

Original price 7,590円 - Original price 7,590円
Original price
7,590円 (税込)
7,590円 - 7,590円
Current price 7,590円 (税込)

A high-quality cotton T-shirt that perfectly matches B3 pants. FUNCTION Comfortable fit that doesn't restrict movement This T-shirt is made ...

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Tops

A-line coat and vest

Original price 53,900円 - Original price 53,900円
Original price
53,900円 (税込)
53,900円 - 53,900円
Current price 53,900円 (税込)

Lightweight, easy to care for, and suitable for any occasion! Versatile outerwear set FUNCTION Suitable for three seasons. A lightweight and w...

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straight

Dry Air Straight Pants

Original price 24,200円 - Original price 24,200円
Original price
24,200円 (税込)
24,200円 - 24,200円
Current price 24,200円 (税込)

A cool texture that shines in the summer sun FUNCTION Easy-care pants that allow you to enjoy the quality of linen in a lightweight way We d...

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Tops

High-neck pullover

Original price 12,100円 - Original price 12,100円
Original price
12,100円 (税込)
12,100円 - 12,100円
Current price 12,100円 (税込)

A lightweight and thin knit top perfect for sophisticated adult style FUNCTION Gentle on the body, perfect for skin Lyocell is an eco-friend...

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Tops

High neck/sleeveless

Original price 8,250円 - Original price 8,250円
Original price
8,250円 (税込)
8,250円 - 8,250円
Current price 8,250円 (税込)

The ultimate texture born from a happy encounter FUNCTION 100% cotton and shea butter for a meltingly comfortable feel This high-quality kni...

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Tops

[Wearable Shea Butter] High neck/long sleeve

Original price 9,900円 - Original price 9,900円
Original price
9,900円 (税込)
9,900円 - 9,900円
Current price 9,900円 (税込)

The ultimate texture born from a happy encounter FUNCTION 100% cotton and shea butter for a meltingly comfortable feel This high-quality kn...

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Tops

[Wearable Shea Butter] High neck/Half sleeve

Original price 9,350円 - Original price 9,350円
Original price
9,350円 (税込)
9,350円 - 9,350円
Current price 9,350円 (税込)

The ultimate texture born from a happy encounter FUNCTION 100% cotton and shea butter for a meltingly comfortable feel This high-quality kn...

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Tops

[Wearable Shea Butter] Round neck, half sleeves

Original price 8,800円 - Original price 8,800円
Original price
8,800円 (税込)
8,800円 - 8,800円
Current price 8,800円 (税込)

The ultimate texture born from a happy encounter FUNCTION 100% cotton and shea butter for a meltingly comfortable feel This high-quality kn...

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Tops

[Wearable Shea Butter] Long Cardigan

Original price 11,000円 - Original price 11,000円
Original price
11,000円 (税込)
11,000円 - 11,000円
Current price 11,000円 (税込)

The ultimate texture born from a happy encounter FUNCTION 100% cotton and shea butter for a meltingly comfortable feel This premium knit fa...

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