La Sportiva Challenger 28 Pack

Take on technical objectives with this La Sportiva pack—built for alpinists, ski mountaineers and mixed-route climbers who need durability at a minimal weight. The roll-top creates expandable volume.

• Engineered for 4-season alpine use across climbing, ski mountaineering and mixed objectives
• Constructed with fully recycled Challenge Sailcloth Ultra 400X (bottom and body) and Ultra 200X (front panel and roll-top)
• Ultra X construction blends recycled UHMWPE with high-tenacity polyester for exceptional strength-to-weight performance
• Cross-ply X-grid reinforcement increases tear resistance and structural integrity
• PFAS-free C0 durable water repellent (DWR) finish for sustainable, weather-resistant performance
• 200+ PSI waterproof fabric construction for reliable weather protection
• Backing film is 97% UV-resistant with 5x longer lifespan versus standard films
• Fully recycled UHMWPE primary fabric platform for reduced environmental impact
• Semirigid structured support system for stable load carry under technical conditions
• Ergonomic shoulder straps designed for comfort under technical loads
• Adjustable sternum strap with integrated safety whistle
• Double-adjust waistbelt for precise, secure fit
• Removable hip pads for streamlined alpine configurations
• Removable thermoformed back panel allows structure customization and weight savings
• Expandable roll-top closure increases volume from 28 L to 32 L
• Dual-compartment main body with internal drawstring divider for gear organization
• Dual side-access YKK® zippers for fast access to interior gear
• Internal zip pocket for secure essentials storage
• Modular external carry system supports rope, helmet, ice tools, skis (A-frame or diagonal) and alpine hardware
• Clean, compact silhouette optimized for alpine mobility