The advantage of laser cut ventilation hole is the sealing and fabric reinforcement that occurs around the outside edge versus a cut that is done by a simple punch. As the laser cuts the fabric, the edge of the material is heated and fused together. This structural advantage allows the use of laser cut hole even in very small diameter.
The advanced processes for laser cut ventilation holes now is very popular and widely accepted by NIKE, ADIDAS, UNDER ARMOUR, PUMA, CASTELLI etc. so many famous sportswear brand company and equipped by the official authorized OEM factory for mass production.
