DAINESE offers you its D-MACH by Ogio motorcycle backpack:

Material:

• Semi-rigid aerodynamic outer shell molded in one piece
• Soft fabric-covered straps on the upper part for greater comfort and to avoid scratching the helmet

Modularity:

• Smartphone pouch with zip closure
• Large main compartment with multiple interior pockets
• Shoe storage space: ideal for urban commuting
• 15 ” laptop pocket with elastic closure
• Tablet pocket

The "+":

• Ergonomic, comfortable, adjustable shoulder straps
• Shoulder straps with clip buckle for quick opening
• Removable adjustment straps: pectoral and ventral
  
• Joints on shoulder straps for optimum support and aerodynamics
• 360° reflective tape
• Reflective logo
• Possibility of integrating a hydration system
• Dainese and Ogio logo

Capacity:

• 22 liters