# Celebratory Denim Collections Levi's Japan Dropped the 501 Day Collection for Its 145th By Amy Duong | Published 2018-05-14 | Fashion Source: Trend Hunter, https://www.trendhunter.com/trends/501-day References: [highsnobiety](https://www.highsnobiety.com/p/levis-501-day-anniversary-capsule/) & [levi.jp](http://levi.jp/501day/) Levi's is celebrating the 145th anniversary of its signature 501 jeans with the '501 Day' collection. May 20th marks the day of the anniversary and the celebratory range is packed with the [iconic denim silhouette](https://www.trendhunter.com/trends/fall-2025-denim-collection) in a variety of washes, as well as some graphic t-shirts. The collection highlights the classic button fly as the main focus of the entire range -- with the 501 trademark detail emphasized in a bright red hue to correlate with the theme. There are also multicolor options adorning the button fly, as well as a choice of metallic gold available as well. Additional details include [Levi's 501](https://www.trendhunter.com/trends/1917-homer-campbell-501) branding embellished along the lining, the label's signature patch with two horses on the back and a custom "501 Day" printed tag on the waist. The 501 Day celebratory collection is now available online at [Levi's Japan](https://www.trendhunter.com/trends/number-that-changed-everything). ## Trend Insights (Trend Hunter) - Score: 0.6/10 - Popularity: 3% | Activity: 7% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Gen Z, Millennial, Gen X - Top markets: North America, Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Fashion](https://www.trendhunter.com/fashion) ## Key Themes ### Key Themes Behind This Trend - **Celebratory Denim Collections:** Opportunity for brands to create special edition collections to celebrate milestones and anniversaries. - **Iconic Denim Silhouette:** Innovative designs that showcase the classic button fly as a focal point of the denim garment. - **Customized Branding and Labeling:** Opportunity for brands to add unique and personalized branding elements to their products, such as custom tags and embellishments. ### Where This Applies - **Fashion and Apparel:** Fashion brands can capitalize on the trend by creating celebratory collections and incorporating unique design elements in their denim products. - **Retail:** Retailers can collaborate with denim brands to host special events and promotions around celebratory denim collections. - **Marketing and Advertising:** Marketing agencies can help brands leverage nostalgia and milestone celebrations to create impactful campaigns around their commemorative denim collections. ## Related on Trend Hunter - [Heritage-Honoring Immersive Campaigns](https://www.trendhunter.com/trends/the-number-that-changed-everything.md) - [Historical Fashion Experiences](https://www.trendhunter.com/trends/number-that-changed-everything.md) - [Miner-Inspired Denim Jeans](https://www.trendhunter.com/trends/1917-homer-campbell-501.md) - [Denim Pride Collections](https://www.trendhunter.com/trends/rainbow-rodeo.md) - [Thoughtful Denim Updates](https://www.trendhunter.com/trends/501-curve.md) - [Archival Denim Reproduction](https://www.trendhunter.com/trends/1944-501-jeans-rigid.md) - [Sophisticated Denim Lines](https://www.trendhunter.com/trends/blue-tab.md) - [Bold Denim Collections](https://www.trendhunter.com/trends/bold-denim-collections-levis-and-adsb-andersson-bell-join-forces-to-reimagi.md) - [Handpicked Vintage Sporty Denim](https://www.trendhunter.com/trends/repossessed-climb-jeans.md)