# Celebrity Apparel Lines Under Armour Has Named BoyNextDoor As Its Global Bouncy Tee Ambassadors By Adam Harrie | Written with AI assistance | Published 2026-08-14 | Updated 2026-08-18 | Marketing Source: Trend Hunter, https://www.trendhunter.com/trends/Bouncy-Tee References: [retaildive](https://www.retaildive.com/news/under-armour-hits-play-k-pop-boynextdoor-brand-partnership/827063/) & [about.underarmour](https://about.underarmour.com/en/stories/2026/07/under-armour-names-boynextdoor--as-global-brand-ambassadors.html)  [Under Armour](https://www.trendhunter.com/trends/tropical-tide-collection) introduced a campaign pairing its Bouncy Tee with [K-pop group BoyNextDoor](https://www.trendhunter.com/trends/bape-x-stray-kids), featuring all six members in a group film and individual visuals. The partnership supports the brand’s Asia-Pacific marketing strategy and centers on the $65 Bouncy Tee, which launched in May as a [hybrid athletic and casual menswear piece](https://www.trendhunter.com/trends/activewear-essentials). The campaign highlights Sungho, Riwoo, Myung Jaehyun, Taesan, Leehan and Woonhak while emphasizing personal style, authenticity and continued progress. It forms part of Under Armour’s broader “Commit” campaign and follows other regional partnerships, including its women’s collaboration with Chinese designer Feng Chen Wang. For consumers, the collaboration blends performance apparel with pop-culture storytelling to broaden Under Armour’s lifestyle appeal in Asia-Pacific. The campaign also reflects the company’s increased marketing investment as it works to strengthen brand relevance and consumer demand. Image Credit: Under Armour ## Trend Insights (Trend Hunter) - Score: 4.2/10 - Popularity: 27% | Activity: 9% | Freshness: 91% - Audience gender: 50% men, 50% women - Primary generations: Gen Z, Millennial - Top markets: North America, Europe, Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Marketing](https://www.trendhunter.com/marketing) ## Key Themes ### What's Driving This Trend - **K-pop Performance Apparel:** Celebrity-led athletic basics are becoming lifestyle symbols, creating room for brands to merge fandom, fitness, and everyday fashion into regionally resonant product stories. - **Hybrid Athleisure Menswear:** Performance tees designed for both training and casual wear reflect demand for versatile garments that blur sport, streetwear, and premium comfort. - **Regional Pop-culture Campaigns:** Asia-Pacific marketing strategies increasingly rely on local entertainment influence, opening new pathways for global brands to build cultural relevance through targeted storytelling. ### Who This Affects Most - **Sportswear:** Athletic brands are expanding beyond technical performance by embedding apparel in music, celebrity identity, and lifestyle-driven consumer communities. - **Entertainment Marketing:** K-pop partnerships offer global companies high-engagement platforms where fan loyalty can translate into apparel discovery, social sharing, and brand affinity. - **Menswear:** Casual men’s fashion is being reshaped by hybrid products that combine athletic function, expressive styling, and accessible celebrity association. ## Related on Trend Hunter - [Youth Culture-Inspired Back-To-Campus Ads](https://www.trendhunter.com/trends/backtocampus-ad.md) - [Athlete-Approved Fitness Fashions](https://www.trendhunter.com/trends/gymshark-x-cbum-unfinished-capsule.md) - [Vibrant Blue-Toned Performance Capsules](https://www.trendhunter.com/trends/tropical-tide-collection.md) - [Football-Centric Hero Campaigns](https://www.trendhunter.com/trends/we-are-football.md) - [HeatGear Performance Campaigns](https://www.trendhunter.com/trends/heatgear-campaign.md) - [Collaborative Street-Ready Footwear](https://www.trendhunter.com/trends/tini-stoessel.md) - [Bustling Street Culture Marketplaces](https://www.trendhunter.com/trends/culture-festival.md) - [Iconic Athlete-Approved Warm-Weather Fashion](https://www.trendhunter.com/trends/boss-x-david-beckham-spring.md) - [Auto-Inspired Athletic Lines](https://www.trendhunter.com/trends/highoctane-collaborative-collection.md)