Ergonomic design is unexpectedly comfortable

The "S-shaped design" designed according to ergonomics. The weight will centralised on the upper part of the backpack while keeping close to the waist curve. It definitely will make it easy to carry. Meanwhile, the backboard adopts a cushion which made by special materials.It form to effectively ventilate, reduce perspiration and provide comfortable experience.

Minimise resistance with Aerodynamic design 

As a backpack which can be used during all weather condition.Designer specifically refers to the principles of aerodynamics to create a unique backpack top cover and shell, which is waterproof and reduces wind resistance during exercise effectively.