Conceal Pack 21L - Challenge Ultra Black Grid

• Versatile Storage: Internal removable laptop sleeve for a travel-friendly open interior (sold separately).
• Flat Base: Stands upright for easy access.
• Full Clamshell Opening: Unzips completely for efficient packing and organization.
• Ergonomic Harness System: APEX® 3D Spacer-Mesh with A.M.Y.®/Sorbtek® antimicrobial & wicking technology for breathable comfort.
• Durable Construction: Reinforced with Berry-compliant bar-tacks for added resilience.
• Quick-Release Features: Adjustable sternum strap and emergency quick-release buckles on shoulder straps.
• Grab-All Handle: Secure, durable handle with a small drop for a firm grip.
• Luggage Pass-Through: Seamlessly attaches to rolling luggage.
• Water Resistance: Designed with STORMPROOF® rain protection.
• TSA Compliant: Travel-ready, meets security screening requirements.
• Attachment Points:
• 4 Hypalon latch points reinforced with Berry-compliant bar-tacks.
• 4 exterior D-rings on the front harness for modular attachments.
• Laser-engraved Hypalon label for long-lasting durability.
• Removable key fob for secure key storage.

Main Compartmen

• Mesh zippered pocket for organization.
• Two large dump pockets fit 32oz Nalgene bottles or compact cameras.
• Large Velcro® loop panel for modular customization (admin panels sold separately).
• Velcro® loop-lined for admin panel attachment (sold separately).
• Snap hook for securing keys or small accessories.

Rear Conceal Compartment (Black Loop)

• Zippered compartment with Velcro® loop lining for modular customization.
• Fits a 15” MacBook Pro or slim PC 
• Pocket opening: 13.5”.
• Compatible with a removable frame sheet (sold separately, coming soon) for enhanced load-carrying support.

Note: Laptop sleeve not included (sold separately).

• UltraGrid™ – Durable. Lightweight. Sustainable. UltraGrid™ is the world’s first recycled nylon ripstop fabric, designed for exceptional strength and eco-conscious performance. Made from 210D recycled nylon with a reinforced Ultra™ grid, it offers incredible tear resistance while remaining lightweight and durable.
• Challenge® Sailcloth EPX400 – Eco-friendly, ultra-durable fabric with reinforced cross-ply structure.
• APEX® 3D Spacer-Mesh – High-performance breathable mesh with antimicrobial and moisture-wicking properties.
• YKK® RCPU2 Zippers – Abrasion-resistant, smooth-gliding zippers engineered for tough conditions.

UltraGrid™ – Durable. Lightweight. Sustainable.

• Ultra-Strong: Reinforced ripstop grid for next-level durability
• Eco-Friendly: Made from recycled materials in a Bluesign® Approved facility
• Water-Resistant: PFC-free DWR coating + PU backing for added protection
• Lightweight Performance: Perfect balance of strength and packability

Challenge® Sailcloth EPX400 – Performance & Sustainability

• Ultra-Durable: 400D polyester face fabric with 70D ripstop backing.
• Water-Resistant: C0 DWR coating for reliable protection.
• Reinforced Strength: 45° Blue CrossPly for added stability.
• Eco-Friendly: Fluorocarbon-free & made from recycled materials.

APEX® 3D Spacer Mesh with A.M.Y.®/Sorbtek® Yarn – Next-Level Comfort

• 3D Spacer Mesh: Enhances breathability and airflow for maximum comfort.
• A.M.Y.® Antimicrobial Yarn: Inhibits odor-causing bacteria and extends fabric freshness.
• Sorbtek® Moisture-Wicking Technology: Rapidly pulls sweat away to keep you dry.
• Lightweight & Cushioned: Provides soft padding while maintaining durability.

YKK® RCPU2 Zippers – Built for Durability

• Enhanced Durability: Special coil design resists abrasion and extends lifespan.
• Smooth & Reliable: High-performance zippers that glide effortlessly.
• Built for Tough Conditions: Perfect for gear that faces heavy use and rugged environments.

• Capacity: 21L
• Exterior Dimensions: 19.5” H x 12” W x 6” D
• Weight: 2.9 lbs
• Front Vertical Pocket Opening: 13”
• Rear Concealment Compartment Opening: 13.5”
• Internal Mesh Pocket: 9” W x 7” H

Is the laptop sleeve included?

• No, the laptop sleeve is sold separately.

Is this bag waterproof?

• It is designed with STORMPROOF® water resistance, but not fully waterproof.

Can I attach additional accessories?

• Yes, the bag features Velcro® loop panels, D-rings, and Hypalon latch points for modular customization.

Is this TSA-approved for travel?

• Yes, the bag meets TSA carry-on requirements and features a luggage pass-through for convenience.

STANDARD SHIPPING
Delivery in 7 business days.

EXPRESS SHIPPING
Delivery in 2–4 business days.

The Brown Buffalo Limited Lifetime Warranty
We stand by our craftsmanship with a limited lifetime warranty covering manufacturing defects for the original owner.

Covered:
Manufacturing defects with proof of purchase.
Repair or replacement of the item.

Not Covered:
Accidents, misuse, wear and tear, or unauthorized repairs.
Purchases from unauthorized sellers or final sale items.

To File a Claim:
Email hello@thebrownbuffalo.com with proof of purchase and photos.
Claims are case-by-case, with repairs prioritized. Warranty complies with California and U.S. laws.
Click here for more information.

We accept returns of unused merchandise within 15 days of purchase for a full refund (excluding shipping). Customers are responsible for return shipping, and we recommend using a tracked service. Custom-made, sale, and one-of-a-kind items are non-refundable. For exchanges, return the original item, and we’ll apply the purchase amount as credit toward your new item.

See full returns & exchanges policy here.