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About this item

• NATURAL BOAR'S HAIR BRISTLES: Cleans holds deeply while remaining gentle on rock and plastic surfaces.
• ERGONOMIC, NON-SLIP HANDLE: Comfortable grip for efficient scrubbing from any angle.
• IMPACT-RESISTANT CONSTRUCTION: Built to last through countless gym sessions and outdoor projects.
• COMPACT & PORTABLE: Slim, ultra lightweight design fits chalk bag brush loops and climbing pack pockets.
• VERSATILE CLIMBING TOOL: Suitable for bouldering, sport climbing, and training walls like MoonBoard, Kilter Board, and spray walls.
• RESTORES MAXIMUM FRICTION: Effectively sweeps away chalk, dust, and grime to restore grip on holds for better performance.
• INDOOR AND OUTDOOR USE: Designed for use in climbing gyms, training facilities, and outdoor rock climbing environments.

BOULDERING BRUSH FOR CLEANER, GRIPPIER HOLDS
Reach the top with better friction using the Oso Supply Co Blackcap Bouldering Brush. Designed for climbers who care about performance and durability, this rock climbing brush helps remove chalk, dust, and debris so you can climb on clean holds and maximize grip.

NATURAL BOAR'S HAIR BRISTLES
Dense natural boar’s hair bristles effectively sweep away chalk buildup without damaging rock or indoor resin holds. The firm yet gentle bristles restore friction while protecting delicate surfaces, making this brush ideal for both outdoor bouldering and gym climbing.

ERGONOMIC, DURABLE HANDLE
The ergonomic handle provides excellent control and comfort when brushing small edges, pockets, and slopers. Built from durable, impact-resistant materials, it’s designed to withstand regular use at the gym or at the crag.

LIGHTWEIGHT AND EASY TO CARRY
Slim and lightweight, the Blackcap Bouldering Brush fits easily into chalk bag brush loops, climbing packs, or pockets so it’s always within reach when you need it.

INSPIRED BY THE PACIFIC NORTHWEST
Named after Blackcap Mountain — one of Washington State’s tallest peaks — this climbing brush reflects the rugged landscapes that inspire the Oso Supply Co lineup. From MoonBoard sessions to outdoor boulder problems, the Blackcap Brush is a dependable tool for cleaner holds and stronger sends.