U-DAY

Skip to content

Limited-Quantity Giveaway Campaign Now Underway

＼Summer Sale Now On!／

Large & Premium Series: Generous size for reliable protection.

Bambrella made from natural bamboo

A compact single unit. The little-U series.

Review campaign now underway.

Maison Terrier Novelty Gift Campaign

Get 15% off by adding us on LINE.

~A gift for someone special~ Click here for gift wrapping.

【公式】because Online Store

Category
Brand
- because
- U-DAY
Lookbook
Feature
News
Information
Gift wrapping
About us

Language
Login
Search

Cart

Lookbook
Feature
News
Gift wrapping
About us

Language

ALL
UMBRELLAS
PARASOLS
RAINCOATS
UTILITY ITEMS
COLLABORATION

because
U-DAY

Wish list
Membership
Usage Guide
Frequently Asked Questions
Inquiries

Cart

Your cart is empty

Sort by

5 products

Filters

BRAND

U-DAY (5)

CATEGORY

PARASOLS (4)

ALL WEATHER SERIES (1)

ACCESSORIES (1)

LONG PARASOLS (2)

PARASOLS MINI (2)

FUNCTION

100% UV Protection, Light Blocking & Heat Shielding (1)

100% UV Protection, Light-blocking & Heat-blocking (1)

100% UV Protection, Light-blocking & Heat-shielding (1)

100% UV Protection, Light-Blocking, and Heat-Blocking (1)

Automatic open/close (1)

Large size (1)

Wind-Resistant (1)

Wind-resistant (1)

Wooden shaft (1)

DESIGN

Clear color (1)

Plain (4)

Solid (1)

Availability

In stock only

Price

¥ to ¥

BRAND

U-DAY (5)

CATEGORY

PARASOLS (4)

ALL WEATHER SERIES (1)

ACCESSORIES (1)

LONG PARASOLS (2)

PARASOLS MINI (2)

FUNCTION

100% UV Protection, Light Blocking & Heat Shielding (1)

100% UV Protection, Light-blocking & Heat-blocking (1)

100% UV Protection, Light-blocking & Heat-shielding (1)

100% UV Protection, Light-Blocking, and Heat-Blocking (1)

Automatic open/close (1)

Large size (1)

Wind-Resistant (1)

Wind-resistant (1)

Wooden shaft (1)

DESIGN

Clear color (1)

Plain (4)

Solid (1)

Availability

In stock only

Price

¥ to ¥

Bambrella | bambrella

Bambrella | bambrella

Save ¥1,039（税込）

NEW SUMMER SALE 15%OFF

Bambrella | bambrella

0 (0 レビュー)

Sale price¥5,891（税込）

Regular price¥6,930（税込）

Radicool All Weather

Radicool All Weather

On sale

NEW SUMMER SALE 15%OFF

Radicool All Weather

0 (0 レビュー)

Sale priceFrom ¥5,049（税込）

Regular price¥5,940（税込）

PU Retex Pet | RETEXPT

PU Retex Pet | RETEXPT

Save ¥693（税込）

NEW SUMMER SALE 15%OFF

PU Retex Pet | RETEXPT

0 (0 レビュー)

Sale price¥3,927（税込）

Regular price¥4,620（税込）

PU Retex Pet Mini | RETEXPT Mini

PU Retex Pet Mini | RETEXPT Mini

Save ¥693（税込）

NEW SUMMER SALE 15%OFF

PU Retex Pet Mini | RETEXPT Mini

0 (0 レビュー)

Sale price¥3,927（税込）

Regular price¥4,620（税込）

Color Rip Cloth Umbrella Case

Color Rip Cloth Umbrella Case

Save ¥297（税込）

NEW SUMMER SALE 15%OFF

Color Rip Cloth Umbrella Case

0 (0 レビュー)

Sale price¥1,683（税込）

Regular price¥1,980（税込）

カテゴリー

ALL
UMBRELLAS
PARASOLS
RAINCOATS
UTILITY ITEMS
COLLABORATION

Shopping Guide

Search
Usage Guide
About member benefits
About shipping
Returns and Refunds
Frequently Asked Questions
Inquiries
Terms of Use
Privacy Policy

Company

Company Profile
Notation Based on the Act on Specified Commercial Transactions

メールマガジンのご登録はこちら

最新ニュースと限定情報をメールで受け取る

E-mail

© 2026 - 【公式】because Online Store

Plan : ""

Plan Meta : "ACTIVE"

Collection Count : "5"

Route B : Can use