2015BS EN ISO 5402-2:2015 Leather. Determination of flex resistance. Vamp flex method
2009BS EN ISO 22288:2009 Leather - Physical and mechanical tests - Determination of flex resistance by the vamp flex method
2002BS EN 13335:2002 Leather - Physical and mechanical tests - Determination of flex resistance by the vamp flex method
BS EN ISO 22288:2009 Leather - Physical and mechanical tests - Determination of flex resistance by the vamp flex method has been changed from BS EN 13335:2002 Leather - Physical and mechanical tests - Determination of flex resistance by the vamp flex method.