# Timeless Denim Menswear Okayama Denim Collaborated with Japan Blue for the 'Sapphire Slub' Line By Riley von Niessen | Published 2016-10-18 | Fashion Source: Trend Hunter, https://www.trendhunter.com/trends/okayama-denim References: [hypebeast](http://hypebeast.com/?post=1770735) & [okayamadenim](http://www.okayamadenim.com/collections/okayama-denim) Okayama Denim, a Japanese web store that offers Selvege denim of the highest quality that's produced in a region widely known for its specialized material that can't be found anywhere else, has teamed up with Japan Blue for a unique yet classic series of apparel and accessories, dubbed 'Sapphire Slub.' Throughout, the high-end jean material makes up traditionally denim pieces like jackets and pants, as well as a flat-brimmed baseball hat which features a large capital "J" on the center of its front. More branding from both Okayama Denim and Japan Blue complements the other pieces too, however in a way that's more subtle by implementing it on tags on lesser-seen parts of the apparel. . ## Trend Insights (Trend Hunter) - Score: 2.9/10 - Popularity: 42% | Activity: 37% | Freshness: 8% - Audience gender: 90% men, 10% women - Primary generations: Millennial, Gen X - Top markets: Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Fashion](https://www.trendhunter.com/fashion) > [Fashion for Men](https://www.trendhunter.com/fashionformen) ## Key Themes ### What's Driving This Trend - **Selvege Denim Collaboration:** The collaboration between Okayama Denim and Japan Blue for the 'Sapphire Slub' line showcases the trend of partnerships to create unique denim pieces. - **High-end Denim Accessories:** The inclusion of a flat-brimmed baseball hat in the 'Sapphire Slub' line highlights the trend of incorporating denim material into accessories for a high-end look. - **Subtle Branding:** The use of subtle branding on the 'Sapphire Slub' line reflects the trend towards minimalistic branding in the denim industry. ### Who This Affects Most - **Fashion Retail:** The 'Sapphire Slub' line by Okayama Denim and Japan Blue presents opportunities for fashion retailers to tap into the demand for high-quality denim collaborations. - **Denim Manufacturing:** The collaboration between Okayama Denim and Japan Blue demonstrates the potential for innovation in the denim manufacturing industry through unique material combinations and designs. - **Accessories:** The inclusion of a denim baseball hat in the 'Sapphire Slub' line opens up opportunities for accessory manufacturers to explore the use of denim in unconventional yet fashionable products. ## Related on Trend Hunter - [Japan Exclusive Denim](https://www.trendhunter.com/trends/japanexclusive-denim-collection.md) - [Collaborative Relaxed Vintage Denim](https://www.trendhunter.com/trends/lee-and-beams-1.md) - [Ultra-Wide Collaborative Denim](https://www.trendhunter.com/trends/superwide-levis.md) - [Denim Capsule Updates](https://www.trendhunter.com/trends/wrangler-x-camphorwood.md) - [Bold Denim Collections](https://www.trendhunter.com/trends/bold-denim-collections-levis-and-adsb-andersson-bell-join-forces-to-reimagi.md) - [Collaborative Dark Minimalist Capsules](https://www.trendhunter.com/trends/levis-and-jjjjound.md) - [Versatile Denim Capsules](https://www.trendhunter.com/trends/versatile-denim.md) - [Heritage Denim Release](https://www.trendhunter.com/trends/denim-tears-4.md) - [Collaborative Denim-Centric Fashion](https://www.trendhunter.com/trends/united-arrows-1.md)