Axiom S2 Black Magic Pack

Ultima Ratio
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Regular price $495.00
Regular price $495.00 Sale price $495.00
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MaterialUltra 400
ColorBlack Magic

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This special edition of the Axiom S2 features Challenge Sailcloth's ULTRA™ 400 fabric.

The Challenge ULTRA™ line of fabrics is composed of the highest performing UHMWPE composite fabrics in the world.  In a class of its own, ULTRA™ represents a new paradigm in durability and weight.  ULTRA™ weave is constructed with an optimal blend of UHMWPE & high-tenacity polyester.  The tight weave is laminated with an eco-friendly adhesive to the revolutionary Challenge RUV™ film.  The result is a textile that is incredibly strong, lightweight, and waterproof to 200 psi.  ULTRA™ performs in the harshest environments, in both sub-zero and tropical climates.

ULTRA™ 400 is:

  • Incredibly Lightweight

  • Abrasion Resistant

  • Hydrophobic

  • UV & Chemical Resistant

  • Cut & Tear Resistant

The Axiom S2 is the evolution of the core principles that have made the Axiom platform so 

effective across diverse urban mission profiles.  The S2 reflects the discreet, configurable, and secure foundations of the award-winning Axiom 24 in a streamlined package for new adventures.

Built around a paradigm of top-down usage, Axiom organizes your gear and provides exceptional access even in constrained environments such as airplane and car seats. 

New features:

  • High-aspect backpanel maximizes airflow

  • Side-panel access to both the main compartment and laptop compartment

  • Full height vertical pockets in both the admin and main compartments

  • Two gusseted vertical pockets in main compartment store common items like powerbanks and chargers

Conceived as a flexible carry system for daily adventures and key companion for journeys abroad, Axiom adapts to your changing needs and seamlessly manages chaos.




  • ULTRA™ 400 TX by Challenge Sailcloth

  • 244 g/m² (7.2oz/yd²)

  • Waterproof

    • 400d Ultra PE (similar to Dyneema®) is about 20% lighter, with four times the abrasion resistance of other 400d U-PE fabrics. 

    • 400d face Ultra-PE blended with high-tenacity polyester

    • 0.75 mil PET™ film

    • 70D Ripstop polyester backer


  • Dimension Polyant VX-07

  • Tweave Durastretch 520E

  • Hypalon Synthetic Rubber

  • Evazote® Closed Cell Cross-Linked Ethylene Copolymer Foam

  • Nylon Webbing

  • Nylon Spacer Mesh


  • 19 liters (1159.45 cu in)


  • 12in (30.48 cm) W x 19in (48.26 cm) H x 5in (12.7 cm) D


  • 1.18 kg (41.62 oz)

Pocket Configuration

  • Main Compartment 

    • Back Panel

      • Top and bottom Helix attachment points

    • Front Panel

      • Top Helix attachment points

      • Large pocket

      • 2 small bellowed pockets

  • Front Admin Compartment

    • Zippered pocket with D-ring 

    • Integrated admin panel

    • Vertical pocket

      • Fits 12.9in iPad Pro 

  • Laptop Compartment

    • Fits 16in laptop or tablet

    • Fully padded

  • Side Pocket

    • Vertical pocket with 6in of expansion

    • Bottom drain

  • Top pocket

    • Gusseted and expandable pocket

Zippers & Hardware

  • YKK® #5 and #8 Uretek® Water-Resistant Reverse Coil Zippers

  • Duraflex Nylon hardware 

Cut and Sewn in USA

Built-in Organization

The spacious main compartment features a single full-height vertical pocket and two gusseted half-height pockets to compartmentalize critical gear for immediate access in constrained spaces such as car and airplane seats. 

Configurable Storage

The main compartment includes two columns of Helix attachment points at the top and bottom the back panel and the top of the front panel for use with a wide range of organizing accessories, including, Control Panels, Transport Sleeves, or our Compression Strap Kit to secure bulky loads.

Inspired by the intermodal container system, the Helix (HX) attachment system provides a lightweight, modular solution for configuring storage platforms. Helix supports standardized, interconnecting modules which can be configured as fixed or railed storage, a multitude of compression and attachment options, and paneled storage configurations.

Secure Admin

A generous front admin pocket offers multiple storage options, including: 

  • Integrated admin panel, keeping everyday carry items organized and accessible.  
  • Full-height vertical pocket at the front of the pack, capable of storing a light shell, a book or tablet, or umbrella. 

Rapid Identification

The Axiom S2 features carefully considered zipper pulls and plugs so the desired compartment can be identified easily, even in low light situations. The factory plugs and pulls can be easily removed for user preferred customization.

Accessory Pocket

A zippered accessory pocket on the top of the pack provides convenient access to frequently used items, such as sunglasses or snacks.

Immediate Access

Weatherproof zippers on each side panel provide immediate access:

Left side panel:

A padded and suspended compartment protects flat equipment such as tablets and laptops up to 16in

Main compartment access without fully removing bag

Right side panel:

A long, vertical pocket bellows into the main compartment and is pleated to contain larger cylindrical items such as water bottles or spare layers. A drainage port at the bottom of the pocket prevents minor spills from becoming major headaches.

Hidden Ally

A flat, centered welt pocket conceals 3 rows of single-column 1in webbing, compatible with small accessories such as Pharos Markers, bike lights, or even our S1 and S2 sheaths.

Comfort in Motion

The backpanel features channeled closed cell cross-linked polyethylene foam, providing exceptional padding and continuous airflow for all day comfort.

Load Management

Wide and generously padded shoulder straps feature durable spacer mesh, an adjustable chest strap, and functional load lifters for exceptional fit and load transference.


The Axiom S2 Black Magic utilizes advanced materials to create a lightweight but resilient carry system. Challenge Sailcloth's ULTRA™ 400 TX is ultralight, cut and tear resistant, waterproof to 200 PSI, and highly abrasion resistant.