The slope is our ultra lightweight rucksack will make for â € "perfect for shredden, or just to chill out.The Slope is our ultra lightweight rucksack will make for â € perfect for shredden, or just to chill out. It delivers all the Amplifi Features Such As ski/board carry system, compartments for the Avalanche equipment, compartment and a insulated glasses shoulder strap. The 18L Backpack With SST is for less swing weight and a smoothe ride with strap Compact.