Extreme Max 5001.5285 Attack 2.0 Snowmobile Backpack Luxury features - 3 liter hydration reservoir and hose; top-loading fleece-lined goggle pocket Convenience features - fully open main compartment design for easy access to larger items and tools; high quality SBS zippers; and external shovel blade storage Comfort features - quilted; padded back panel to maximize airflow and minimize sweat; padded waist strap and narrow lumbar connection Safety features - reflective hits for visibility and side avalanche probe storage 1-year replacement warranty