The 11th collaboration between BRIEFING and White Mountaineering introduces a refined lineup that merges technical function with contemporary design. In addition to the previous BLK White Mountaineering series, this release also includes collaboration pieces with the main White Mountaineering line.

Color variations highlight the identity of each line. BLACK represents BLK White Mountaineering, while NAVY and BEIGE belong to the main White Mountaineering collection. Inspired by the brand philosophy that every place where clothing is worn is an outdoor field, the design integrates practical functionality with subtle visual accents.

— Key Features
The body combines eco leather and nylon, selected specifically for this collaboration. The contrast between the materials creates a modern and sophisticated look while maintaining durability. All hardware is unified in black, reinforcing a calm and urban appearance.

— Design Details
Except for the Boston bag, each model features a front bungee cord designed to temporarily hold lightweight outerwear or gloves. The BLACK version also incorporates a jacquard tape featuring the BLK concept phrase BLACK LAYER KNOWLEDGE as a front design accent.

— Collaboration Identity
A dual name tag symbolizes the partnership between the two brands, presented in a tonal black finish that blends naturally with the bag’s body.

— Color Concept
BLACK represents BLK White Mountaineering, while NAVY and BEIGE express the aesthetic of the main White Mountaineering line. NAVY offers a refined and urban impression with strong resistance to dirt and aging. BEIGE evokes natural outdoor tones while adding a light and relaxed feeling to styling.

— SS26 Theme
The collection reflects the SS26 theme Evolution theory, expressing the ongoing evolution of functionality and fashion within the White Mountaineering design philosophy.