American heritage workwear brand RED KAP and URBAN RESEARCH Sonny Label have released their seasonal collaboration collection. The lineup features two exclusive items that blend RED KAP's authentic workwear aesthetic with Sonny Label's relaxed sensibility: a denim shirt and wide pants.
ITEM 01: Exclusive Denim Shirt



Exclusive RED KAP × Sonny Label Denim Shirt
- Item Number: LA26130-1033015
- Price: ¥7,920 (tax included)
- Colors: Indigo / One Wash
- Sizes: M / L
The exclusive work shirt features a relaxed body width with a moderate length that pairs perfectly with wide-silhouette pants. This versatile piece is ideal for denim-on-denim styling at the start of the season. Each color features matching marble buttons for a fully customized design. The chest and shoulders are enhanced with blast processing to add vintage character. A RED KAP woven label adorns the chest pocket as a subtle detail.
ITEM 02: Wide Denim Pants



Exclusive RED KAP × Sonny Label Wide Denim Pants
- Item Number: LA26130-1043301
- Price: ¥7,920 (tax included)
- Colors: Light Indigo / Used
- Sizes: M / L
The exclusive wide baggy denim pants feature a relaxed fit through the thigh and hip that falls straight down. Whisker details create a worn-in appearance. The back pockets include the standard flasher plus a leather-look patch inspired by vintage RED KAP cap logos. This archive design reference makes these pants a truly exclusive piece.
About RED KAP
Founded in 1923 in Tennessee, RED KAP is a heritage American workwear brand. Its durable construction and utilitarian design, trusted across countless industries including automotive, have earned widespread recognition in fashion circles today.
Where to Buy
- URBAN RESEARCH ONLINE STORE
- URBAN RESEARCH Sonny Label stores
- URBAN RESEARCH Store locations
- URBAN RESEARCH LaLaport EXPOCITY
- URBAN RESEARCH DOORS LaLaport Tachikawa Tachihi / LaLaport Shonan Hiratsuka / LaLaport Numazu
- SENSE OF PLACE by URBAN RESEARCH Tennoji Mio