SAS-TEC Tripleflex back protector, here in level 2 form.
Its rectangular shape surpasses the minimum back protector dimensions
by 10% according to EN1621.
Sold as an option in the Standard R Shirt, Elite Shirt and Elite Shirt Ladies.

Ref B52-2 for men
Ref B47-2 for ladies

Dimensions B52-2 : 392mm x 150mm x 16mm
Dimensions B47-2 : 360mm x 140mm x 16mm